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Finding the Fourth Proportional to 462,100.38, 693,229.39 and 206,025.87

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Solution

The fourth proportional to 462,100.38, 693,229.39 and 206,025.87 is: 309,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,100.38 : 693,229.39 = 206,025.87 : x
  2. Step 2: Convert to fraction form
    462,100.38/693,229.39 = 206,025.87/x
  3. Step 3: Cross multiply
    462,100.38x = 693,229.39 × 206,025.87
  4. Step 4: Simplify right side
    462,100.38x = 142,823,188,184.32
  5. Step 5: Solve for x
    x = 142,823,188,184.32/462,100.38
  6. Step 6: Final answer
    x = 309,073.95

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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.