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Finding the Fourth Proportional to 493,695.22, 681,295.49 and 267,340.72

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Solution

The fourth proportional to 493,695.22, 681,295.49 and 267,340.72 is: 368,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,695.22 : 681,295.49 = 267,340.72 : x
  2. Step 2: Convert to fraction form
    493,695.22/681,295.49 = 267,340.72/x
  3. Step 3: Cross multiply
    493,695.22x = 681,295.49 × 267,340.72
  4. Step 4: Simplify right side
    493,695.22x = 182,138,026,829.35
  5. Step 5: Solve for x
    x = 182,138,026,829.35/493,695.22
  6. Step 6: Final answer
    x = 368,928.07

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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.