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Finding the Fourth Proportional to 625,252.67, 862,837.41 and 353,314.71

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Solution

The fourth proportional to 625,252.67, 862,837.41 and 353,314.71 is: 487,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,252.67 : 862,837.41 = 353,314.71 : x
  2. Step 2: Convert to fraction form
    625,252.67/862,837.41 = 353,314.71/x
  3. Step 3: Cross multiply
    625,252.67x = 862,837.41 × 353,314.71
  4. Step 4: Simplify right side
    625,252.67x = 304,853,150,616.23
  5. Step 5: Solve for x
    x = 304,853,150,616.23/625,252.67
  6. Step 6: Final answer
    x = 487,567.93

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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.