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Finding the Fourth Proportional to 444,820.80, 667,231.20 and 433,156.80

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Solution

The fourth proportional to 444,820.80, 667,231.20 and 433,156.80 is: 649,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,820.80 : 667,231.20 = 433,156.80 : x
  2. Step 2: Convert to fraction form
    444,820.80/667,231.20 = 433,156.80/x
  3. Step 3: Cross multiply
    444,820.80x = 667,231.20 × 433,156.80
  4. Step 4: Simplify right side
    444,820.80x = 289,015,731,452.16
  5. Step 5: Solve for x
    x = 289,015,731,452.16/444,820.80
  6. Step 6: Final answer
    x = 649,735.20

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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.