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Finding the Fourth Proportional to 295.86, 443.85 and 149.63

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Solution

The fourth proportional to 295.86, 443.85 and 149.63 is: 224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.86 : 443.85 = 149.63 : x
  2. Step 2: Convert to fraction form
    295.86/443.85 = 149.63/x
  3. Step 3: Cross multiply
    295.86x = 443.85 × 149.63
  4. Step 4: Simplify right side
    295.86x = 66,414.25
  5. Step 5: Solve for x
    x = 66,414.25/295.86
  6. Step 6: Final answer
    x = 224.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.