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Finding the Fourth Proportional to 259,872.30, 389,808.45 and 244,125.90

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Solution

The fourth proportional to 259,872.30, 389,808.45 and 244,125.90 is: 366,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,872.30 : 389,808.45 = 244,125.90 : x
  2. Step 2: Convert to fraction form
    259,872.30/389,808.45 = 244,125.90/x
  3. Step 3: Cross multiply
    259,872.30x = 389,808.45 × 244,125.90
  4. Step 4: Simplify right side
    259,872.30x = 95,162,338,683.86
  5. Step 5: Solve for x
    x = 95,162,338,683.86/259,872.30
  6. Step 6: Final answer
    x = 366,188.85

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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.