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Finding the Fourth Proportional to 396.18, 593.94 and 152.46

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Solution

The fourth proportional to 396.18, 593.94 and 152.46 is: 228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.18 : 593.94 = 152.46 : x
  2. Step 2: Convert to fraction form
    396.18/593.94 = 152.46/x
  3. Step 3: Cross multiply
    396.18x = 593.94 × 152.46
  4. Step 4: Simplify right side
    396.18x = 90,552.09
  5. Step 5: Solve for x
    x = 90,552.09/396.18
  6. Step 6: Final answer
    x = 228.56

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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.