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Finding the Fourth Proportional to 396.53, 594.78 and 235.24

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Solution

The fourth proportional to 396.53, 594.78 and 235.24 is: 352.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.53 : 594.78 = 235.24 : x
  2. Step 2: Convert to fraction form
    396.53/594.78 = 235.24/x
  3. Step 3: Cross multiply
    396.53x = 594.78 × 235.24
  4. Step 4: Simplify right side
    396.53x = 139,914.87
  5. Step 5: Solve for x
    x = 139,914.87/396.53
  6. Step 6: Final answer
    x = 352.85

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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.