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Finding the Fourth Proportional to 396.94, 595.00 and 165.95

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Solution

The fourth proportional to 396.94, 595.00 and 165.95 is: 248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.94 : 595.00 = 165.95 : x
  2. Step 2: Convert to fraction form
    396.94/595.00 = 165.95/x
  3. Step 3: Cross multiply
    396.94x = 595.00 × 165.95
  4. Step 4: Simplify right side
    396.94x = 98,741.94
  5. Step 5: Solve for x
    x = 98,741.94/396.94
  6. Step 6: Final answer
    x = 248.76

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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.