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Finding the Fourth Proportional to 444,872.40, 667,308.60 and 440,206.80

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Solution

The fourth proportional to 444,872.40, 667,308.60 and 440,206.80 is: 660,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,872.40 : 667,308.60 = 440,206.80 : x
  2. Step 2: Convert to fraction form
    444,872.40/667,308.60 = 440,206.80/x
  3. Step 3: Cross multiply
    444,872.40x = 667,308.60 × 440,206.80
  4. Step 4: Simplify right side
    444,872.40x = 293,753,783,418.48
  5. Step 5: Solve for x
    x = 293,753,783,418.48/444,872.40
  6. Step 6: Final answer
    x = 660,310.20

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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.