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Finding the Fourth Proportional to 625,204.34, 862,782.82 and 338,724.43

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Solution

The fourth proportional to 625,204.34, 862,782.82 and 338,724.43 is: 467,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,204.34 : 862,782.82 = 338,724.43 : x
  2. Step 2: Convert to fraction form
    625,204.34/862,782.82 = 338,724.43/x
  3. Step 3: Cross multiply
    625,204.34x = 862,782.82 × 338,724.43
  4. Step 4: Simplify right side
    625,204.34x = 292,245,618,918.29
  5. Step 5: Solve for x
    x = 292,245,618,918.29/625,204.34
  6. Step 6: Final answer
    x = 467,440.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.