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Finding the Fourth Proportional to 624,121.32, 861,285.52 and 337,641.34

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Solution

The fourth proportional to 624,121.32, 861,285.52 and 337,641.34 is: 465,944.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,121.32 : 861,285.52 = 337,641.34 : x
  2. Step 2: Convert to fraction form
    624,121.32/861,285.52 = 337,641.34/x
  3. Step 3: Cross multiply
    624,121.32x = 861,285.52 × 337,641.34
  4. Step 4: Simplify right side
    624,121.32x = 290,805,597,095.40
  5. Step 5: Solve for x
    x = 290,805,597,095.40/624,121.32
  6. Step 6: Final answer
    x = 465,944.02

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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.