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Finding the Fourth Proportional to 493,796.88, 681,440.68 and 267,442.48

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Solution

The fourth proportional to 493,796.88, 681,440.68 and 267,442.48 is: 369,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,796.88 : 681,440.68 = 267,442.48 : x
  2. Step 2: Convert to fraction form
    493,796.88/681,440.68 = 267,442.48/x
  3. Step 3: Cross multiply
    493,796.88x = 681,440.68 × 267,442.48
  4. Step 4: Simplify right side
    493,796.88x = 182,246,185,432.09
  5. Step 5: Solve for x
    x = 182,246,185,432.09/493,796.88
  6. Step 6: Final answer
    x = 369,071.16

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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.