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Finding the Fourth Proportional to 800,347.73, 1,200,584.12 and 231,737.30

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Solution

The fourth proportional to 800,347.73, 1,200,584.12 and 231,737.30 is: 347,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,347.73 : 1,200,584.12 = 231,737.30 : x
  2. Step 2: Convert to fraction form
    800,347.73/1,200,584.12 = 231,737.30/x
  3. Step 3: Cross multiply
    800,347.73x = 1,200,584.12 × 231,737.30
  4. Step 4: Simplify right side
    800,347.73x = 278,220,124,234.45
  5. Step 5: Solve for x
    x = 278,220,124,234.45/800,347.73
  6. Step 6: Final answer
    x = 347,624.06

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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.