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Finding the Fourth Proportional to 508,600.80, 763,338.60 and 224,728.20

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Solution

The fourth proportional to 508,600.80, 763,338.60 and 224,728.20 is: 337,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,600.80 : 763,338.60 = 224,728.20 : x
  2. Step 2: Convert to fraction form
    508,600.80/763,338.60 = 224,728.20/x
  3. Step 3: Cross multiply
    508,600.80x = 763,338.60 × 224,728.20
  4. Step 4: Simplify right side
    508,600.80x = 171,543,709,568.52
  5. Step 5: Solve for x
    x = 171,543,709,568.52/508,600.80
  6. Step 6: Final answer
    x = 337,285.57

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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.