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Finding the Fourth Proportional to 334.56, 502.02 and 163.56

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Solution

The fourth proportional to 334.56, 502.02 and 163.56 is: 245.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.56 : 502.02 = 163.56 : x
  2. Step 2: Convert to fraction form
    334.56/502.02 = 163.56/x
  3. Step 3: Cross multiply
    334.56x = 502.02 × 163.56
  4. Step 4: Simplify right side
    334.56x = 82,110.39
  5. Step 5: Solve for x
    x = 82,110.39/334.56
  6. Step 6: Final answer
    x = 245.43

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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.