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Finding the Fourth Proportional to 296, 443.88 and 122.69

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Solution

The fourth proportional to 296, 443.88 and 122.69 is: 183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    296 : 443.88 = 122.69 : x
  2. Step 2: Convert to fraction form
    296/443.88 = 122.69/x
  3. Step 3: Cross multiply
    296x = 443.88 × 122.69
  4. Step 4: Simplify right side
    296x = 54,459.64
  5. Step 5: Solve for x
    x = 54,459.64/296
  6. Step 6: Final answer
    x = 183.99

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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.