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Finding the Fourth Proportional to 444,765.20, 667,234.20 and 192,045.20

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Solution

The fourth proportional to 444,765.20, 667,234.20 and 192,045.20 is: 288,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,765.20 : 667,234.20 = 192,045.20 : x
  2. Step 2: Convert to fraction form
    444,765.20/667,234.20 = 192,045.20/x
  3. Step 3: Cross multiply
    444,765.20x = 667,234.20 × 192,045.20
  4. Step 4: Simplify right side
    444,765.20x = 128,139,125,385.84
  5. Step 5: Solve for x
    x = 128,139,125,385.84/444,765.20
  6. Step 6: Final answer
    x = 288,105.11

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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.