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Finding the Fourth Proportional to 331.03, 496.37 and 176.93

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Solution

The fourth proportional to 331.03, 496.37 and 176.93 is: 265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331.03 : 496.37 = 176.93 : x
  2. Step 2: Convert to fraction form
    331.03/496.37 = 176.93/x
  3. Step 3: Cross multiply
    331.03x = 496.37 × 176.93
  4. Step 4: Simplify right side
    331.03x = 87,820.70
  5. Step 5: Solve for x
    x = 87,820.70/331.03
  6. Step 6: Final answer
    x = 265.30

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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.