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Finding the Fourth Proportional to 508,601.80, 763,340.10 and 224,729.20

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Solution

The fourth proportional to 508,601.80, 763,340.10 and 224,729.20 is: 337,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,601.80 : 763,340.10 = 224,729.20 : x
  2. Step 2: Convert to fraction form
    508,601.80/763,340.10 = 224,729.20/x
  3. Step 3: Cross multiply
    508,601.80x = 763,340.10 × 224,729.20
  4. Step 4: Simplify right side
    508,601.80x = 171,544,810,000.92
  5. Step 5: Solve for x
    x = 171,544,810,000.92/508,601.80
  6. Step 6: Final answer
    x = 337,287.07

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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.