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Finding the Fourth Proportional to 374.44, 516.60 and 217.03

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Solution

The fourth proportional to 374.44, 516.60 and 217.03 is: 299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.44 : 516.60 = 217.03 : x
  2. Step 2: Convert to fraction form
    374.44/516.60 = 217.03/x
  3. Step 3: Cross multiply
    374.44x = 516.60 × 217.03
  4. Step 4: Simplify right side
    374.44x = 112,119.53
  5. Step 5: Solve for x
    x = 112,119.53/374.44
  6. Step 6: Final answer
    x = 299.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.