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Finding the Fourth Proportional to 396,754.04, 547,615.86 and 227,086.60

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Solution

The fourth proportional to 396,754.04, 547,615.86 and 227,086.60 is: 313,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,754.04 : 547,615.86 = 227,086.60 : x
  2. Step 2: Convert to fraction form
    396,754.04/547,615.86 = 227,086.60/x
  3. Step 3: Cross multiply
    396,754.04x = 547,615.86 × 227,086.60
  4. Step 4: Simplify right side
    396,754.04x = 124,356,223,753.48
  5. Step 5: Solve for x
    x = 124,356,223,753.48/396,754.04
  6. Step 6: Final answer
    x = 313,434.05

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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.