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Finding the Fourth Proportional to 351.42, 484.96 and 204.14

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Solution

The fourth proportional to 351.42, 484.96 and 204.14 is: 281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.42 : 484.96 = 204.14 : x
  2. Step 2: Convert to fraction form
    351.42/484.96 = 204.14/x
  3. Step 3: Cross multiply
    351.42x = 484.96 × 204.14
  4. Step 4: Simplify right side
    351.42x = 98,996.29
  5. Step 5: Solve for x
    x = 98,996.29/351.42
  6. Step 6: Final answer
    x = 281.70

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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.