Instructions: 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.
Input: [143.989, -40.553, -11.926, -54.219, 218.889, -0.967, -46.886]
Output:
[ 0.691 -0.195 -0.057 -0.26   1.051 -0.005 -0.225]