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Finding the Fourth Proportional to 296.22, 408.66 and 171.83

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Solution

The fourth proportional to 296.22, 408.66 and 171.83 is: 237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.22 : 408.66 = 171.83 : x
  2. Step 2: Convert to fraction form
    296.22/408.66 = 171.83/x
  3. Step 3: Cross multiply
    296.22x = 408.66 × 171.83
  4. Step 4: Simplify right side
    296.22x = 70,218.00
  5. Step 5: Solve for x
    x = 70,218.00/296.22
  6. Step 6: Final answer
    x = 237.05

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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.