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Finding the Fourth Proportional to 296.25, 408.83 and 179.84

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Solution

The fourth proportional to 296.25, 408.83 and 179.84 is: 248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.25 : 408.83 = 179.84 : x
  2. Step 2: Convert to fraction form
    296.25/408.83 = 179.84/x
  3. Step 3: Cross multiply
    296.25x = 408.83 × 179.84
  4. Step 4: Simplify right side
    296.25x = 73,521.04
  5. Step 5: Solve for x
    x = 73,521.04/296.25
  6. Step 6: Final answer
    x = 248.17

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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.