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Finding the Fourth Proportional to 444,505.30, 667,049.55 and 254,965.30

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Solution

The fourth proportional to 444,505.30, 667,049.55 and 254,965.30 is: 382,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,505.30 : 667,049.55 = 254,965.30 : x
  2. Step 2: Convert to fraction form
    444,505.30/667,049.55 = 254,965.30/x
  3. Step 3: Cross multiply
    444,505.30x = 667,049.55 × 254,965.30
  4. Step 4: Simplify right side
    444,505.30x = 170,074,488,630.62
  5. Step 5: Solve for x
    x = 170,074,488,630.62/444,505.30
  6. Step 6: Final answer
    x = 382,615.21

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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.