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Finding the Fourth Proportional to 396.44, 594.75 and 122.52

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Solution

The fourth proportional to 396.44, 594.75 and 122.52 is: 183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.44 : 594.75 = 122.52 : x
  2. Step 2: Convert to fraction form
    396.44/594.75 = 122.52/x
  3. Step 3: Cross multiply
    396.44x = 594.75 × 122.52
  4. Step 4: Simplify right side
    396.44x = 72,868.77
  5. Step 5: Solve for x
    x = 72,868.77/396.44
  6. Step 6: Final answer
    x = 183.81

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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.