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Finding the Fourth Proportional to 493,712.61, 681,319.45 and 267,358.11

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Solution

The fourth proportional to 493,712.61, 681,319.45 and 267,358.11 is: 368,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,712.61 : 681,319.45 = 267,358.11 : x
  2. Step 2: Convert to fraction form
    493,712.61/681,319.45 = 267,358.11/x
  3. Step 3: Cross multiply
    493,712.61x = 681,319.45 × 267,358.11
  4. Step 4: Simplify right side
    493,712.61x = 182,156,280,458.24
  5. Step 5: Solve for x
    x = 182,156,280,458.24/493,712.61
  6. Step 6: Final answer
    x = 368,952.05

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