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Finding the Fourth Proportional to 383,047.28, 573,171.20 and 225,350

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Solution

The fourth proportional to 383,047.28, 573,171.20 and 225,350 is: 337,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,047.28 : 573,171.20 = 225,350 : x
  2. Step 2: Convert to fraction form
    383,047.28/573,171.20 = 225,350/x
  3. Step 3: Cross multiply
    383,047.28x = 573,171.20 × 225,350
  4. Step 4: Simplify right side
    383,047.28x = 129,164,129,920.00
  5. Step 5: Solve for x
    x = 129,164,129,920.00/383,047.28
  6. Step 6: Final answer
    x = 337,201.53

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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.