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Finding the Fourth Proportional to 444,839.70, 667,259.55 and 220,234.80

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Solution

The fourth proportional to 444,839.70, 667,259.55 and 220,234.80 is: 330,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,839.70 : 667,259.55 = 220,234.80 : x
  2. Step 2: Convert to fraction form
    444,839.70/667,259.55 = 220,234.80/x
  3. Step 3: Cross multiply
    444,839.70x = 667,259.55 × 220,234.80
  4. Step 4: Simplify right side
    444,839.70x = 146,953,773,542.34
  5. Step 5: Solve for x
    x = 146,953,773,542.34/444,839.70
  6. Step 6: Final answer
    x = 330,352.20

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1.5x scale

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.