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Finding the Fourth Proportional to 444,891.17, 667,367.90 and 178,651.69

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Solution

The fourth proportional to 444,891.17, 667,367.90 and 178,651.69 is: 267,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,891.17 : 667,367.90 = 178,651.69 : x
  2. Step 2: Convert to fraction form
    444,891.17/667,367.90 = 178,651.69/x
  3. Step 3: Cross multiply
    444,891.17x = 667,367.90 × 178,651.69
  4. Step 4: Simplify right side
    444,891.17x = 119,226,401,295.02
  5. Step 5: Solve for x
    x = 119,226,401,295.02/444,891.17
  6. Step 6: Final answer
    x = 267,990.04

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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.