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Finding the Fourth Proportional to 350.60, 484.02 and 203.22

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Solution

The fourth proportional to 350.60, 484.02 and 203.22 is: 280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.60 : 484.02 = 203.22 : x
  2. Step 2: Convert to fraction form
    350.60/484.02 = 203.22/x
  3. Step 3: Cross multiply
    350.60x = 484.02 × 203.22
  4. Step 4: Simplify right side
    350.60x = 98,362.54
  5. Step 5: Solve for x
    x = 98,362.54/350.60
  6. Step 6: Final answer
    x = 280.55

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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.