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Finding the Fourth Proportional to 932,553.71, 1,398,830.49 and 258,635

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Solution

The fourth proportional to 932,553.71, 1,398,830.49 and 258,635 is: 387,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,553.71 : 1,398,830.49 = 258,635 : x
  2. Step 2: Convert to fraction form
    932,553.71/1,398,830.49 = 258,635/x
  3. Step 3: Cross multiply
    932,553.71x = 1,398,830.49 × 258,635
  4. Step 4: Simplify right side
    932,553.71x = 361,786,522,487.98
  5. Step 5: Solve for x
    x = 361,786,522,487.98/932,553.71
  6. Step 6: Final answer
    x = 387,952.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.