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Finding the Fourth Proportional to 494,008.39, 681,734.03 and 267,653.89

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Solution

The fourth proportional to 494,008.39, 681,734.03 and 267,653.89 is: 369,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,008.39 : 681,734.03 = 267,653.89 : x
  2. Step 2: Convert to fraction form
    494,008.39/681,734.03 = 267,653.89/x
  3. Step 3: Cross multiply
    494,008.39x = 681,734.03 × 267,653.89
  4. Step 4: Simplify right side
    494,008.39x = 182,468,765,074.88
  5. Step 5: Solve for x
    x = 182,468,765,074.88/494,008.39
  6. Step 6: Final answer
    x = 369,363.70

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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.