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Finding the Fourth Proportional to 624,891.44, 862,345.90 and 338,404.97

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Solution

The fourth proportional to 624,891.44, 862,345.90 and 338,404.97 is: 466,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,891.44 : 862,345.90 = 338,404.97 : x
  2. Step 2: Convert to fraction form
    624,891.44/862,345.90 = 338,404.97/x
  3. Step 3: Cross multiply
    624,891.44x = 862,345.90 × 338,404.97
  4. Step 4: Simplify right side
    624,891.44x = 291,822,141,229.91
  5. Step 5: Solve for x
    x = 291,822,141,229.91/624,891.44
  6. Step 6: Final answer
    x = 466,996.54

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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.