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Finding the Fourth Proportional to 493,984.96, 681,699.92 and 267,630.48

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Solution

The fourth proportional to 493,984.96, 681,699.92 and 267,630.48 is: 369,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,984.96 : 681,699.92 = 267,630.48 : x
  2. Step 2: Convert to fraction form
    493,984.96/681,699.92 = 267,630.48/x
  3. Step 3: Cross multiply
    493,984.96x = 681,699.92 × 267,630.48
  4. Step 4: Simplify right side
    493,984.96x = 182,443,676,805.56
  5. Step 5: Solve for x
    x = 182,443,676,805.56/493,984.96
  6. Step 6: Final answer
    x = 369,330.43

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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.