In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.

Example Input: [122.621, 54.698, 245.719, 147.453, 49.487, -4.205, 248.575]
Example Output: [ 0.142  0.063  0.284  0.171  0.057 -0.005  0.288]

Example Input: [249.541, 233.825, 9.968]
Example Output: [0.506 0.474 0.02 ]

Example Input: [-63.404, 49.697, -34.673, 39.466]
Example Output:
[ 7.113 -5.575  3.89  -4.427]

