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Finding the Fourth Proportional to 350.92, 484.22 and 203.52

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Solution

The fourth proportional to 350.92, 484.22 and 203.52 is: 280.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.92 : 484.22 = 203.52 : x
  2. Step 2: Convert to fraction form
    350.92/484.22 = 203.52/x
  3. Step 3: Cross multiply
    350.92x = 484.22 × 203.52
  4. Step 4: Simplify right side
    350.92x = 98,548.45
  5. Step 5: Solve for x
    x = 98,548.45/350.92
  6. Step 6: Final answer
    x = 280.83

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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.