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Finding the Fourth Proportional to 494,051.76, 681,791.91 and 267,697.26

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Solution

The fourth proportional to 494,051.76, 681,791.91 and 267,697.26 is: 369,422.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,051.76 : 681,791.91 = 267,697.26 : x
  2. Step 2: Convert to fraction form
    494,051.76/681,791.91 = 267,697.26/x
  3. Step 3: Cross multiply
    494,051.76x = 681,791.91 × 267,697.26
  4. Step 4: Simplify right side
    494,051.76x = 182,513,826,197.17
  5. Step 5: Solve for x
    x = 182,513,826,197.17/494,051.76
  6. Step 6: Final answer
    x = 369,422.48

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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.