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Finding the Fourth Proportional to 469,067.10, 703,600.65 and 188,439.90

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Solution

The fourth proportional to 469,067.10, 703,600.65 and 188,439.90 is: 282,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,067.10 : 703,600.65 = 188,439.90 : x
  2. Step 2: Convert to fraction form
    469,067.10/703,600.65 = 188,439.90/x
  3. Step 3: Cross multiply
    469,067.10x = 703,600.65 × 188,439.90
  4. Step 4: Simplify right side
    469,067.10x = 132,586,436,125.94
  5. Step 5: Solve for x
    x = 132,586,436,125.94/469,067.10
  6. Step 6: Final answer
    x = 282,659.85

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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.