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Finding the Fourth Proportional to 494,010.36, 681,734.37 and 267,655.86

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Solution

The fourth proportional to 494,010.36, 681,734.37 and 267,655.86 is: 369,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,010.36 : 681,734.37 = 267,655.86 : x
  2. Step 2: Convert to fraction form
    494,010.36/681,734.37 = 267,655.86/x
  3. Step 3: Cross multiply
    494,010.36x = 681,734.37 × 267,655.86
  4. Step 4: Simplify right side
    494,010.36x = 182,470,196,385.86
  5. Step 5: Solve for x
    x = 182,470,196,385.86/494,010.36
  6. Step 6: Final answer
    x = 369,365.12

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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.