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Finding the Fourth Proportional to 438,385.38, 604,972.71 and 244,792.14

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Solution

The fourth proportional to 438,385.38, 604,972.71 and 244,792.14 is: 337,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,385.38 : 604,972.71 = 244,792.14 : x
  2. Step 2: Convert to fraction form
    438,385.38/604,972.71 = 244,792.14/x
  3. Step 3: Cross multiply
    438,385.38x = 604,972.71 × 244,792.14
  4. Step 4: Simplify right side
    438,385.38x = 148,092,564,322.50
  5. Step 5: Solve for x
    x = 148,092,564,322.50/438,385.38
  6. Step 6: Final answer
    x = 337,813.65

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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.