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Finding the Fourth Proportional to 361,882.28, 543,671.72 and 341,432.75

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Solution

The fourth proportional to 361,882.28, 543,671.72 and 341,432.75 is: 512,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,882.28 : 543,671.72 = 341,432.75 : x
  2. Step 2: Convert to fraction form
    361,882.28/543,671.72 = 341,432.75/x
  3. Step 3: Cross multiply
    361,882.28x = 543,671.72 × 341,432.75
  4. Step 4: Simplify right side
    361,882.28x = 185,627,330,456.83
  5. Step 5: Solve for x
    x = 185,627,330,456.83/361,882.28
  6. Step 6: Final answer
    x = 512,949.49

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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.