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Finding the Fourth Proportional to 510,277.92, 765,589.88 and 225,929.31

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Solution

The fourth proportional to 510,277.92, 765,589.88 and 225,929.31 is: 338,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,277.92 : 765,589.88 = 225,929.31 : x
  2. Step 2: Convert to fraction form
    510,277.92/765,589.88 = 225,929.31/x
  3. Step 3: Cross multiply
    510,277.92x = 765,589.88 × 225,929.31
  4. Step 4: Simplify right side
    510,277.92x = 172,969,193,331.38
  5. Step 5: Solve for x
    x = 172,969,193,331.38/510,277.92
  6. Step 6: Final answer
    x = 338,970.56

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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.