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Finding the Fourth Proportional to 296.19, 443.27 and 174.69

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Solution

The fourth proportional to 296.19, 443.27 and 174.69 is: 261.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.19 : 443.27 = 174.69 : x
  2. Step 2: Convert to fraction form
    296.19/443.27 = 174.69/x
  3. Step 3: Cross multiply
    296.19x = 443.27 × 174.69
  4. Step 4: Simplify right side
    296.19x = 77,435.27
  5. Step 5: Solve for x
    x = 77,435.27/296.19
  6. Step 6: Final answer
    x = 261.44

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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.