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Finding the Fourth Proportional to 396.97, 595.67 and 166.01

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Solution

The fourth proportional to 396.97, 595.67 and 166.01 is: 249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.97 : 595.67 = 166.01 : x
  2. Step 2: Convert to fraction form
    396.97/595.67 = 166.01/x
  3. Step 3: Cross multiply
    396.97x = 595.67 × 166.01
  4. Step 4: Simplify right side
    396.97x = 98,887.84
  5. Step 5: Solve for x
    x = 98,887.84/396.97
  6. Step 6: Final answer
    x = 249.11

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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.