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: [228.061, 151.102, 53.143, -56.65, 48.795, 29.888, -61.951]
Output:
[ 0.581  0.385  0.135 -0.144  0.124  0.076 -0.158]