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Finding the Fourth Proportional to 493,964.66, 681,671.92 and 267,610.16

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Solution

The fourth proportional to 493,964.66, 681,671.92 and 267,610.16 is: 369,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,964.66 : 681,671.92 = 267,610.16 : x
  2. Step 2: Convert to fraction form
    493,964.66/681,671.92 = 267,610.16/x
  3. Step 3: Cross multiply
    493,964.66x = 681,671.92 × 267,610.16
  4. Step 4: Simplify right side
    493,964.66x = 182,422,330,543.55
  5. Step 5: Solve for x
    x = 182,422,330,543.55/493,964.66
  6. Step 6: Final answer
    x = 369,302.39

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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.