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Finding the Fourth Proportional to 347,540.92, 479,593.38 and 196,641.16

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Solution

The fourth proportional to 347,540.92, 479,593.38 and 196,641.16 is: 271,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,540.92 : 479,593.38 = 196,641.16 : x
  2. Step 2: Convert to fraction form
    347,540.92/479,593.38 = 196,641.16/x
  3. Step 3: Cross multiply
    347,540.92x = 479,593.38 × 196,641.16
  4. Step 4: Simplify right side
    347,540.92x = 94,307,798,571.52
  5. Step 5: Solve for x
    x = 94,307,798,571.52/347,540.92
  6. Step 6: Final answer
    x = 271,357.39

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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.