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Finding the Fourth Proportional to 396.73, 593.94 and 294.49

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Solution

The fourth proportional to 396.73, 593.94 and 294.49 is: 440.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.73 : 593.94 = 294.49 : x
  2. Step 2: Convert to fraction form
    396.73/593.94 = 294.49/x
  3. Step 3: Cross multiply
    396.73x = 593.94 × 294.49
  4. Step 4: Simplify right side
    396.73x = 174,906.42
  5. Step 5: Solve for x
    x = 174,906.42/396.73
  6. Step 6: Final answer
    x = 440.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.