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Finding the Fourth Proportional to 363,391.60, 545,087.40 and 185,839.60

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Solution

The fourth proportional to 363,391.60, 545,087.40 and 185,839.60 is: 278,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,391.60 : 545,087.40 = 185,839.60 : x
  2. Step 2: Convert to fraction form
    363,391.60/545,087.40 = 185,839.60/x
  3. Step 3: Cross multiply
    363,391.60x = 545,087.40 × 185,839.60
  4. Step 4: Simplify right side
    363,391.60x = 101,298,824,381.04
  5. Step 5: Solve for x
    x = 101,298,824,381.04/363,391.60
  6. Step 6: Final answer
    x = 278,759.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.