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: [1.805, -60.45, 43.643, -2.569, 163.214]
Example Output: [ 0.012 -0.415  0.3   -0.018  1.121]

Example Input: [-16.728, 90.649, 120.224, -20.241, -6.558]
Example Output: [-0.1    0.542  0.718 -0.121 -0.039]

Example Input: [-54.328, -62.494, -81.931, 47.967, 60.179, 8.126, 38.347, -40.685, -27.755, 7.78]
Example Output:
[ 0.518  0.596  0.782 -0.458 -0.574 -0.078 -0.366  0.388  0.265 -0.074]