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Finding the Fourth Proportional to 344.46, 516.12 and 331.14

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Solution

The fourth proportional to 344.46, 516.12 and 331.14 is: 496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.46 : 516.12 = 331.14 : x
  2. Step 2: Convert to fraction form
    344.46/516.12 = 331.14/x
  3. Step 3: Cross multiply
    344.46x = 516.12 × 331.14
  4. Step 4: Simplify right side
    344.46x = 170,907.98
  5. Step 5: Solve for x
    x = 170,907.98/344.46
  6. Step 6: Final answer
    x = 496.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.