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Finding the Fourth Proportional to 374.64, 516.92 and 227.36

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Solution

The fourth proportional to 374.64, 516.92 and 227.36 is: 313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.64 : 516.92 = 227.36 : x
  2. Step 2: Convert to fraction form
    374.64/516.92 = 227.36/x
  3. Step 3: Cross multiply
    374.64x = 516.92 × 227.36
  4. Step 4: Simplify right side
    374.64x = 117,526.93
  5. Step 5: Solve for x
    x = 117,526.93/374.64
  6. Step 6: Final answer
    x = 313.71

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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.