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Finding the Fourth Proportional to 444,964.74, 667,247.78 and 265,135.02

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Solution

The fourth proportional to 444,964.74, 667,247.78 and 265,135.02 is: 397,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,964.74 : 667,247.78 = 265,135.02 : x
  2. Step 2: Convert to fraction form
    444,964.74/667,247.78 = 265,135.02/x
  3. Step 3: Cross multiply
    444,964.74x = 667,247.78 × 265,135.02
  4. Step 4: Simplify right side
    444,964.74x = 176,910,753,917.80
  5. Step 5: Solve for x
    x = 176,910,753,917.80/444,964.74
  6. Step 6: Final answer
    x = 397,583.76

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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.