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Finding the Fourth Proportional to 438,384.88, 604,972.02 and 244,791.64

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Solution

The fourth proportional to 438,384.88, 604,972.02 and 244,791.64 is: 337,812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,384.88 : 604,972.02 = 244,791.64 : x
  2. Step 2: Convert to fraction form
    438,384.88/604,972.02 = 244,791.64/x
  3. Step 3: Cross multiply
    438,384.88x = 604,972.02 × 244,791.64
  4. Step 4: Simplify right side
    438,384.88x = 148,092,092,929.91
  5. Step 5: Solve for x
    x = 148,092,092,929.91/438,384.88
  6. Step 6: Final answer
    x = 337,812.96

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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.