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Finding the Fourth Proportional to 447,390.96, 670,524.56 and 267,609.02

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Solution

The fourth proportional to 447,390.96, 670,524.56 and 267,609.02 is: 401,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,390.96 : 670,524.56 = 267,609.02 : x
  2. Step 2: Convert to fraction form
    447,390.96/670,524.56 = 267,609.02/x
  3. Step 3: Cross multiply
    447,390.96x = 670,524.56 × 267,609.02
  4. Step 4: Simplify right side
    447,390.96x = 179,438,420,387.53
  5. Step 5: Solve for x
    x = 179,438,420,387.53/447,390.96
  6. Step 6: Final answer
    x = 401,077.44

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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.