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Finding the Fourth Proportional to 332.98, 499.84 and 331.49

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Solution

The fourth proportional to 332.98, 499.84 and 331.49 is: 497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.98 : 499.84 = 331.49 : x
  2. Step 2: Convert to fraction form
    332.98/499.84 = 331.49/x
  3. Step 3: Cross multiply
    332.98x = 499.84 × 331.49
  4. Step 4: Simplify right side
    332.98x = 165,692.38
  5. Step 5: Solve for x
    x = 165,692.38/332.98
  6. Step 6: Final answer
    x = 497.61

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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.