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Finding the Fourth Proportional to 237.60, 355.44 and 204.96

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Solution

The fourth proportional to 237.60, 355.44 and 204.96 is: 306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.60 : 355.44 = 204.96 : x
  2. Step 2: Convert to fraction form
    237.60/355.44 = 204.96/x
  3. Step 3: Cross multiply
    237.60x = 355.44 × 204.96
  4. Step 4: Simplify right side
    237.60x = 72,850.98
  5. Step 5: Solve for x
    x = 72,850.98/237.60
  6. Step 6: Final answer
    x = 306.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.