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Finding the Fourth Proportional to 396.33, 594.73 and 165.22

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Solution

The fourth proportional to 396.33, 594.73 and 165.22 is: 247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.33 : 594.73 = 165.22 : x
  2. Step 2: Convert to fraction form
    396.33/594.73 = 165.22/x
  3. Step 3: Cross multiply
    396.33x = 594.73 × 165.22
  4. Step 4: Simplify right side
    396.33x = 98,261.29
  5. Step 5: Solve for x
    x = 98,261.29/396.33
  6. Step 6: Final answer
    x = 247.93

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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.