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Finding the Fourth Proportional to 494,033.72, 681,766.97 and 267,679.22

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Solution

The fourth proportional to 494,033.72, 681,766.97 and 267,679.22 is: 369,397.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,033.72 : 681,766.97 = 267,679.22 : x
  2. Step 2: Convert to fraction form
    494,033.72/681,766.97 = 267,679.22/x
  3. Step 3: Cross multiply
    494,033.72x = 681,766.97 × 267,679.22
  4. Step 4: Simplify right side
    494,033.72x = 182,494,850,751.36
  5. Step 5: Solve for x
    x = 182,494,850,751.36/494,033.72
  6. Step 6: Final answer
    x = 369,397.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.