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Finding the Fourth Proportional to 296.19, 443.38 and 193.26

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Solution

The fourth proportional to 296.19, 443.38 and 193.26 is: 289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.19 : 443.38 = 193.26 : x
  2. Step 2: Convert to fraction form
    296.19/443.38 = 193.26/x
  3. Step 3: Cross multiply
    296.19x = 443.38 × 193.26
  4. Step 4: Simplify right side
    296.19x = 85,687.62
  5. Step 5: Solve for x
    x = 85,687.62/296.19
  6. Step 6: Final answer
    x = 289.30

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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.