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Finding the Fourth Proportional to 624,456, 861,747.66 and 337,976.01

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Solution

The fourth proportional to 624,456, 861,747.66 and 337,976.01 is: 466,406.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,456 : 861,747.66 = 337,976.01 : x
  2. Step 2: Convert to fraction form
    624,456/861,747.66 = 337,976.01/x
  3. Step 3: Cross multiply
    624,456x = 861,747.66 × 337,976.01
  4. Step 4: Simplify right side
    624,456x = 291,250,035,753.64
  5. Step 5: Solve for x
    x = 291,250,035,753.64/624,456
  6. Step 6: Final answer
    x = 466,406.02

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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.