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Finding the Fourth Proportional to 396.13, 593.85 and 152.48

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Solution

The fourth proportional to 396.13, 593.85 and 152.48 is: 228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.13 : 593.85 = 152.48 : x
  2. Step 2: Convert to fraction form
    396.13/593.85 = 152.48/x
  3. Step 3: Cross multiply
    396.13x = 593.85 × 152.48
  4. Step 4: Simplify right side
    396.13x = 90,550.25
  5. Step 5: Solve for x
    x = 90,550.25/396.13
  6. Step 6: Final answer
    x = 228.59

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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.