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Finding the Fourth Proportional to 237.68, 325.76 and 234.80

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Solution

The fourth proportional to 237.68, 325.76 and 234.80 is: 321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.68 : 325.76 = 234.80 : x
  2. Step 2: Convert to fraction form
    237.68/325.76 = 234.80/x
  3. Step 3: Cross multiply
    237.68x = 325.76 × 234.80
  4. Step 4: Simplify right side
    237.68x = 76,488.45
  5. Step 5: Solve for x
    x = 76,488.45/237.68
  6. Step 6: Final answer
    x = 321.81

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.