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.
Q: [-75.67, 221.508, 0.944, -51.432, 195.738, 179.676, 66.886, 76.838, -4.31]
A: 
[-0.124  0.363  0.002 -0.084  0.321  0.294  0.11   0.126 -0.007]