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Finding the Fourth Proportional to 624,320.25, 861,562.71 and 337,840.34

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Solution

The fourth proportional to 624,320.25, 861,562.71 and 337,840.34 is: 466,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,320.25 : 861,562.71 = 337,840.34 : x
  2. Step 2: Convert to fraction form
    624,320.25/861,562.71 = 337,840.34/x
  3. Step 3: Cross multiply
    624,320.25x = 861,562.71 × 337,840.34
  4. Step 4: Simplify right side
    624,320.25x = 291,070,636,644.52
  5. Step 5: Solve for x
    x = 291,070,636,644.52/624,320.25
  6. Step 6: Final answer
    x = 466,220.08

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1.5x scale

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.