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Finding the Fourth Proportional to 236.99, 326.61 and 190.52

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Solution

The fourth proportional to 236.99, 326.61 and 190.52 is: 262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.99 : 326.61 = 190.52 : x
  2. Step 2: Convert to fraction form
    236.99/326.61 = 190.52/x
  3. Step 3: Cross multiply
    236.99x = 326.61 × 190.52
  4. Step 4: Simplify right side
    236.99x = 62,225.33
  5. Step 5: Solve for x
    x = 62,225.33/236.99
  6. Step 6: Final answer
    x = 262.56

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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.