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Finding the Fourth Proportional to 625,018.74, 862,481.08 and 366,906.17

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Solution

The fourth proportional to 625,018.74, 862,481.08 and 366,906.17 is: 506,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,018.74 : 862,481.08 = 366,906.17 : x
  2. Step 2: Convert to fraction form
    625,018.74/862,481.08 = 366,906.17/x
  3. Step 3: Cross multiply
    625,018.74x = 862,481.08 × 366,906.17
  4. Step 4: Simplify right side
    625,018.74x = 316,449,623,613.33
  5. Step 5: Solve for x
    x = 316,449,623,613.33/625,018.74
  6. Step 6: Final answer
    x = 506,304.22

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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.