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Finding the Fourth Proportional to 444,796.20, 667,712.70 and 267,503.40

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Solution

The fourth proportional to 444,796.20, 667,712.70 and 267,503.40 is: 401,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,796.20 : 667,712.70 = 267,503.40 : x
  2. Step 2: Convert to fraction form
    444,796.20/667,712.70 = 267,503.40/x
  3. Step 3: Cross multiply
    444,796.20x = 667,712.70 × 267,503.40
  4. Step 4: Simplify right side
    444,796.20x = 178,615,417,473.18
  5. Step 5: Solve for x
    x = 178,615,417,473.18/444,796.20
  6. Step 6: Final answer
    x = 401,566.87

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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.