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Finding the Fourth Proportional to 493,551.60, 681,101.46 and 267,197.16

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Solution

The fourth proportional to 493,551.60, 681,101.46 and 267,197.16 is: 368,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,551.60 : 681,101.46 = 267,197.16 : x
  2. Step 2: Convert to fraction form
    493,551.60/681,101.46 = 267,197.16/x
  3. Step 3: Cross multiply
    493,551.60x = 681,101.46 × 267,197.16
  4. Step 4: Simplify right side
    493,551.60x = 181,988,375,783.85
  5. Step 5: Solve for x
    x = 181,988,375,783.85/493,551.60
  6. Step 6: Final answer
    x = 368,732.22

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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.