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Finding the Fourth Proportional to 444,910.70, 667,366.05 and 360,929.90

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Solution

The fourth proportional to 444,910.70, 667,366.05 and 360,929.90 is: 541,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,910.70 : 667,366.05 = 360,929.90 : x
  2. Step 2: Convert to fraction form
    444,910.70/667,366.05 = 360,929.90/x
  3. Step 3: Cross multiply
    444,910.70x = 667,366.05 × 360,929.90
  4. Step 4: Simplify right side
    444,910.70x = 240,872,361,689.90
  5. Step 5: Solve for x
    x = 240,872,361,689.90/444,910.70
  6. Step 6: Final answer
    x = 541,394.85

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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.