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Finding the Fourth Proportional to 351.37, 484.92 and 194.04

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Solution

The fourth proportional to 351.37, 484.92 and 194.04 is: 267.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.37 : 484.92 = 194.04 : x
  2. Step 2: Convert to fraction form
    351.37/484.92 = 194.04/x
  3. Step 3: Cross multiply
    351.37x = 484.92 × 194.04
  4. Step 4: Simplify right side
    351.37x = 94,093.88
  5. Step 5: Solve for x
    x = 94,093.88/351.37
  6. Step 6: Final answer
    x = 267.79

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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.