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Finding the Fourth Proportional to 374.22, 516.44 and 234.29

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Solution

The fourth proportional to 374.22, 516.44 and 234.29 is: 323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.22 : 516.44 = 234.29 : x
  2. Step 2: Convert to fraction form
    374.22/516.44 = 234.29/x
  3. Step 3: Cross multiply
    374.22x = 516.44 × 234.29
  4. Step 4: Simplify right side
    374.22x = 120,995.56
  5. Step 5: Solve for x
    x = 120,995.56/374.22
  6. Step 6: Final answer
    x = 323.33

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Why These Related Problems?

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