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Finding the Fourth Proportional to 444,822.80, 667,234.20 and 433,158.80

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Solution

The fourth proportional to 444,822.80, 667,234.20 and 433,158.80 is: 649,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,822.80 : 667,234.20 = 433,158.80 : x
  2. Step 2: Convert to fraction form
    444,822.80/667,234.20 = 433,158.80/x
  3. Step 3: Cross multiply
    444,822.80x = 667,234.20 × 433,158.80
  4. Step 4: Simplify right side
    444,822.80x = 289,018,365,390.96
  5. Step 5: Solve for x
    x = 289,018,365,390.96/444,822.80
  6. Step 6: Final answer
    x = 649,738.20

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Similar ratio
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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.