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Finding the Fourth Proportional to 334.96, 502.28 and 196.18

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Solution

The fourth proportional to 334.96, 502.28 and 196.18 is: 294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.96 : 502.28 = 196.18 : x
  2. Step 2: Convert to fraction form
    334.96/502.28 = 196.18/x
  3. Step 3: Cross multiply
    334.96x = 502.28 × 196.18
  4. Step 4: Simplify right side
    334.96x = 98,537.29
  5. Step 5: Solve for x
    x = 98,537.29/334.96
  6. Step 6: Final answer
    x = 294.18

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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.