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Finding the Fourth Proportional to 350.73, 484.02 and 203.45

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Solution

The fourth proportional to 350.73, 484.02 and 203.45 is: 280.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.73 : 484.02 = 203.45 : x
  2. Step 2: Convert to fraction form
    350.73/484.02 = 203.45/x
  3. Step 3: Cross multiply
    350.73x = 484.02 × 203.45
  4. Step 4: Simplify right side
    350.73x = 98,471.45
  5. Step 5: Solve for x
    x = 98,471.45/350.73
  6. Step 6: Final answer
    x = 280.76

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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.