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Finding the Fourth Proportional to 624,356.12, 861,613.59 and 337,876.13

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Solution

The fourth proportional to 624,356.12, 861,613.59 and 337,876.13 is: 466,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,356.12 : 861,613.59 = 337,876.13 : x
  2. Step 2: Convert to fraction form
    624,356.12/861,613.59 = 337,876.13/x
  3. Step 3: Cross multiply
    624,356.12x = 861,613.59 × 337,876.13
  4. Step 4: Simplify right side
    624,356.12x = 291,118,661,036.54
  5. Step 5: Solve for x
    x = 291,118,661,036.54/624,356.12
  6. Step 6: Final answer
    x = 466,270.22

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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.