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Finding the Fourth Proportional to 296.02, 408.56 and 185.46

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Solution

The fourth proportional to 296.02, 408.56 and 185.46 is: 255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.02 : 408.56 = 185.46 : x
  2. Step 2: Convert to fraction form
    296.02/408.56 = 185.46/x
  3. Step 3: Cross multiply
    296.02x = 408.56 × 185.46
  4. Step 4: Simplify right side
    296.02x = 75,771.54
  5. Step 5: Solve for x
    x = 75,771.54/296.02
  6. Step 6: Final answer
    x = 255.97

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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.