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Finding the Fourth Proportional to 462,471.91, 693,680.18 and 125,505.10

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Solution

The fourth proportional to 462,471.91, 693,680.18 and 125,505.10 is: 188,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,471.91 : 693,680.18 = 125,505.10 : x
  2. Step 2: Convert to fraction form
    462,471.91/693,680.18 = 125,505.10/x
  3. Step 3: Cross multiply
    462,471.91x = 693,680.18 × 125,505.10
  4. Step 4: Simplify right side
    462,471.91x = 87,060,400,358.92
  5. Step 5: Solve for x
    x = 87,060,400,358.92/462,471.91
  6. Step 6: Final answer
    x = 188,250.14

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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.