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Finding the Fourth Proportional to 295.99, 408.51 and 179.55

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Solution

The fourth proportional to 295.99, 408.51 and 179.55 is: 247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.99 : 408.51 = 179.55 : x
  2. Step 2: Convert to fraction form
    295.99/408.51 = 179.55/x
  3. Step 3: Cross multiply
    295.99x = 408.51 × 179.55
  4. Step 4: Simplify right side
    295.99x = 73,347.07
  5. Step 5: Solve for x
    x = 73,347.07/295.99
  6. Step 6: Final answer
    x = 247.81

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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.