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Finding the Fourth Proportional to 493,531.37, 681,073.52 and 267,176.87

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Solution

The fourth proportional to 493,531.37, 681,073.52 and 267,176.87 is: 368,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,531.37 : 681,073.52 = 267,176.87 : x
  2. Step 2: Convert to fraction form
    493,531.37/681,073.52 = 267,176.87/x
  3. Step 3: Cross multiply
    493,531.37x = 681,073.52 × 267,176.87
  4. Step 4: Simplify right side
    493,531.37x = 181,967,086,572.23
  5. Step 5: Solve for x
    x = 181,967,086,572.23/493,531.37
  6. Step 6: Final answer
    x = 368,704.20

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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.