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Finding the Fourth Proportional to 331.01, 495.48 and 296.23

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Solution

The fourth proportional to 331.01, 495.48 and 296.23 is: 443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.01 : 495.48 = 296.23 : x
  2. Step 2: Convert to fraction form
    331.01/495.48 = 296.23/x
  3. Step 3: Cross multiply
    331.01x = 495.48 × 296.23
  4. Step 4: Simplify right side
    331.01x = 146,776.04
  5. Step 5: Solve for x
    x = 146,776.04/331.01
  6. Step 6: Final answer
    x = 443.42

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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.