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Finding the Fourth Proportional to 317,404.73, 475,553.45 and 264,436.94

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Solution

The fourth proportional to 317,404.73, 475,553.45 and 264,436.94 is: 396,194.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,404.73 : 475,553.45 = 264,436.94 : x
  2. Step 2: Convert to fraction form
    317,404.73/475,553.45 = 264,436.94/x
  3. Step 3: Cross multiply
    317,404.73x = 475,553.45 × 264,436.94
  4. Step 4: Simplify right side
    317,404.73x = 125,753,899,486.96
  5. Step 5: Solve for x
    x = 125,753,899,486.96/317,404.73
  6. Step 6: Final answer
    x = 396,194.15

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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.