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Finding the Fourth Proportional to 331.48, 496.61 and 295.03

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Solution

The fourth proportional to 331.48, 496.61 and 295.03 is: 442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.48 : 496.61 = 295.03 : x
  2. Step 2: Convert to fraction form
    331.48/496.61 = 295.03/x
  3. Step 3: Cross multiply
    331.48x = 496.61 × 295.03
  4. Step 4: Simplify right side
    331.48x = 146,514.85
  5. Step 5: Solve for x
    x = 146,514.85/331.48
  6. Step 6: Final answer
    x = 442.00

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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.