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Finding the Fourth Proportional to 351.44, 484.97 and 204.07

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Solution

The fourth proportional to 351.44, 484.97 and 204.07 is: 281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.44 : 484.97 = 204.07 : x
  2. Step 2: Convert to fraction form
    351.44/484.97 = 204.07/x
  3. Step 3: Cross multiply
    351.44x = 484.97 × 204.07
  4. Step 4: Simplify right side
    351.44x = 98,967.13
  5. Step 5: Solve for x
    x = 98,967.13/351.44
  6. Step 6: Final answer
    x = 281.61

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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.