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Finding the Fourth Proportional to 302,854.60, 417,922.09 and 173,765.71

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Solution

The fourth proportional to 302,854.60, 417,922.09 and 173,765.71 is: 239,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,854.60 : 417,922.09 = 173,765.71 : x
  2. Step 2: Convert to fraction form
    302,854.60/417,922.09 = 173,765.71/x
  3. Step 3: Cross multiply
    302,854.60x = 417,922.09 × 173,765.71
  4. Step 4: Simplify right side
    302,854.60x = 72,620,528,693.53
  5. Step 5: Solve for x
    x = 72,620,528,693.53/302,854.60
  6. Step 6: Final answer
    x = 239,786.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.