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.

[168.448, 155.65, 82.234, 71.855, 7.053, 231.857, 179.72]
[0.188 0.174 0.092 0.08  0.008 0.259 0.2  ]