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Finding the Fourth Proportional to 468.67, 701.96 and 331.30

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Solution

The fourth proportional to 468.67, 701.96 and 331.30 is: 496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.67 : 701.96 = 331.30 : x
  2. Step 2: Convert to fraction form
    468.67/701.96 = 331.30/x
  3. Step 3: Cross multiply
    468.67x = 701.96 × 331.30
  4. Step 4: Simplify right side
    468.67x = 232,559.35
  5. Step 5: Solve for x
    x = 232,559.35/468.67
  6. Step 6: Final answer
    x = 496.21

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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.