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Finding the Fourth Proportional to 332.85, 500.36 and 331.23

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Solution

The fourth proportional to 332.85, 500.36 and 331.23 is: 497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.85 : 500.36 = 331.23 : x
  2. Step 2: Convert to fraction form
    332.85/500.36 = 331.23/x
  3. Step 3: Cross multiply
    332.85x = 500.36 × 331.23
  4. Step 4: Simplify right side
    332.85x = 165,732.59
  5. Step 5: Solve for x
    x = 165,732.59/332.85
  6. Step 6: Final answer
    x = 497.92

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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.