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Finding the Fourth Proportional to 493,958.97, 681,664.05 and 267,604.47

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Solution

The fourth proportional to 493,958.97, 681,664.05 and 267,604.47 is: 369,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,958.97 : 681,664.05 = 267,604.47 : x
  2. Step 2: Convert to fraction form
    493,958.97/681,664.05 = 267,604.47/x
  3. Step 3: Cross multiply
    493,958.97x = 681,664.05 × 267,604.47
  4. Step 4: Simplify right side
    493,958.97x = 182,416,346,818.30
  5. Step 5: Solve for x
    x = 182,416,346,818.30/493,958.97
  6. Step 6: Final answer
    x = 369,294.53

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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.