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Finding the Fourth Proportional to 493,893.64, 681,573.54 and 267,540.04

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Solution

The fourth proportional to 493,893.64, 681,573.54 and 267,540.04 is: 369,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,893.64 : 681,573.54 = 267,540.04 : x
  2. Step 2: Convert to fraction form
    493,893.64/681,573.54 = 267,540.04/x
  3. Step 3: Cross multiply
    493,893.64x = 681,573.54 × 267,540.04
  4. Step 4: Simplify right side
    493,893.64x = 182,348,212,154.54
  5. Step 5: Solve for x
    x = 182,348,212,154.54/493,893.64
  6. Step 6: Final answer
    x = 369,205.43

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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.