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Finding the Fourth Proportional to 347,504.88, 479,553.49 and 196,601.88

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Solution

The fourth proportional to 347,504.88, 479,553.49 and 196,601.88 is: 271,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,504.88 : 479,553.49 = 196,601.88 : x
  2. Step 2: Convert to fraction form
    347,504.88/479,553.49 = 196,601.88/x
  3. Step 3: Cross multiply
    347,504.88x = 479,553.49 × 196,601.88
  4. Step 4: Simplify right side
    347,504.88x = 94,281,114,805.29
  5. Step 5: Solve for x
    x = 94,281,114,805.29/347,504.88
  6. Step 6: Final answer
    x = 271,308.75

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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.