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Finding the Fourth Proportional to 235.06, 323.65 and 213.46

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Solution

The fourth proportional to 235.06, 323.65 and 213.46 is: 293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.06 : 323.65 = 213.46 : x
  2. Step 2: Convert to fraction form
    235.06/323.65 = 213.46/x
  3. Step 3: Cross multiply
    235.06x = 323.65 × 213.46
  4. Step 4: Simplify right side
    235.06x = 69,086.33
  5. Step 5: Solve for x
    x = 69,086.33/235.06
  6. Step 6: Final answer
    x = 293.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.