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Finding the Fourth Proportional to 295.93, 408.18 and 185.38

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Solution

The fourth proportional to 295.93, 408.18 and 185.38 is: 255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.93 : 408.18 = 185.38 : x
  2. Step 2: Convert to fraction form
    295.93/408.18 = 185.38/x
  3. Step 3: Cross multiply
    295.93x = 408.18 × 185.38
  4. Step 4: Simplify right side
    295.93x = 75,669.96
  5. Step 5: Solve for x
    x = 75,669.96/295.93
  6. Step 6: Final answer
    x = 255.70

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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.