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Finding the Fourth Proportional to 634,229.16, 875,248.10 and 347,732.04

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Solution

The fourth proportional to 634,229.16, 875,248.10 and 347,732.04 is: 479,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,229.16 : 875,248.10 = 347,732.04 : x
  2. Step 2: Convert to fraction form
    634,229.16/875,248.10 = 347,732.04/x
  3. Step 3: Cross multiply
    634,229.16x = 875,248.10 × 347,732.04
  4. Step 4: Simplify right side
    634,229.16x = 304,351,807,319.12
  5. Step 5: Solve for x
    x = 304,351,807,319.12/634,229.16
  6. Step 6: Final answer
    x = 479,876.72

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Why These Related Problems?

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