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Finding the Fourth Proportional to 396.48, 594 and 354.96

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Solution

The fourth proportional to 396.48, 594 and 354.96 is: 531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.48 : 594 = 354.96 : x
  2. Step 2: Convert to fraction form
    396.48/594 = 354.96/x
  3. Step 3: Cross multiply
    396.48x = 594 × 354.96
  4. Step 4: Simplify right side
    396.48x = 210,846.24
  5. Step 5: Solve for x
    x = 210,846.24/396.48
  6. Step 6: Final answer
    x = 531.80

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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.