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Finding the Fourth Proportional to 331.52, 496.85 and 185.26

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Solution

The fourth proportional to 331.52, 496.85 and 185.26 is: 277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.52 : 496.85 = 185.26 : x
  2. Step 2: Convert to fraction form
    331.52/496.85 = 185.26/x
  3. Step 3: Cross multiply
    331.52x = 496.85 × 185.26
  4. Step 4: Simplify right side
    331.52x = 92,045.19
  5. Step 5: Solve for x
    x = 92,045.19/331.52
  6. Step 6: Final answer
    x = 277.65

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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.