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Finding the Fourth Proportional to 444,676, 667,198.80 and 178,625.20

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Solution

The fourth proportional to 444,676, 667,198.80 and 178,625.20 is: 268,012.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,676 : 667,198.80 = 178,625.20 : x
  2. Step 2: Convert to fraction form
    444,676/667,198.80 = 178,625.20/x
  3. Step 3: Cross multiply
    444,676x = 667,198.80 × 178,625.20
  4. Step 4: Simplify right side
    444,676x = 119,178,519,089.76
  5. Step 5: Solve for x
    x = 119,178,519,089.76/444,676
  6. Step 6: Final answer
    x = 268,012.03

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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.