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: [142.576, -28.093, 114.526]
Example Output: [ 0.623 -0.123  0.5  ]

Example Input: [-19.827, 77.587, 234.377, 197.698, 9.593, -73.61, 243.676]
Example Output: [-0.03   0.116  0.35   0.295  0.014 -0.11   0.364]

Example Input: [81.185, 15.069, 215.191, 190.05, 98.804, 154.685, 19.297, 151.285, -69.938, 38.787]
Example Output:
[ 0.091  0.017  0.241  0.212  0.11   0.173  0.022  0.169 -0.078  0.043]