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Finding the Fourth Proportional to 351,411.60, 527,117.40 and 98,691.60

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Solution

The fourth proportional to 351,411.60, 527,117.40 and 98,691.60 is: 148,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,411.60 : 527,117.40 = 98,691.60 : x
  2. Step 2: Convert to fraction form
    351,411.60/527,117.40 = 98,691.60/x
  3. Step 3: Cross multiply
    351,411.60x = 527,117.40 × 98,691.60
  4. Step 4: Simplify right side
    351,411.60x = 52,022,059,593.84
  5. Step 5: Solve for x
    x = 52,022,059,593.84/351,411.60
  6. Step 6: Final answer
    x = 148,037.40

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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.