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Finding the Fourth Proportional to 295.92, 408.06 and 185.36

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Solution

The fourth proportional to 295.92, 408.06 and 185.36 is: 255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.92 : 408.06 = 185.36 : x
  2. Step 2: Convert to fraction form
    295.92/408.06 = 185.36/x
  3. Step 3: Cross multiply
    295.92x = 408.06 × 185.36
  4. Step 4: Simplify right side
    295.92x = 75,635.96
  5. Step 5: Solve for x
    x = 75,635.96/295.92
  6. Step 6: Final answer
    x = 255.60

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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.