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Finding the Fourth Proportional to 295.79, 408.08 and 179.35

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Solution

The fourth proportional to 295.79, 408.08 and 179.35 is: 247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.79 : 408.08 = 179.35 : x
  2. Step 2: Convert to fraction form
    295.79/408.08 = 179.35/x
  3. Step 3: Cross multiply
    295.79x = 408.08 × 179.35
  4. Step 4: Simplify right side
    295.79x = 73,188.58
  5. Step 5: Solve for x
    x = 73,188.58/295.79
  6. Step 6: Final answer
    x = 247.44

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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.