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Finding the Fourth Proportional to 747,833.54, 1,121,898.18 and 274,523

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Solution

The fourth proportional to 747,833.54, 1,121,898.18 and 274,523 is: 411,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,833.54 : 1,121,898.18 = 274,523 : x
  2. Step 2: Convert to fraction form
    747,833.54/1,121,898.18 = 274,523/x
  3. Step 3: Cross multiply
    747,833.54x = 1,121,898.18 × 274,523
  4. Step 4: Simplify right side
    747,833.54x = 307,986,854,068.14
  5. Step 5: Solve for x
    x = 307,986,854,068.14/747,833.54
  6. Step 6: Final answer
    x = 411,838.78

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Why These Related Problems?

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