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: [99.754, -10.571, 148.619, 111.838, -80.871, 117.435, 173.801]
Output:
[ 0.178 -0.019  0.265  0.2   -0.144  0.21   0.31 ]