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Finding the Fourth Proportional to 296.12, 443.51 and 174.15

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Solution

The fourth proportional to 296.12, 443.51 and 174.15 is: 260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.12 : 443.51 = 174.15 : x
  2. Step 2: Convert to fraction form
    296.12/443.51 = 174.15/x
  3. Step 3: Cross multiply
    296.12x = 443.51 × 174.15
  4. Step 4: Simplify right side
    296.12x = 77,237.05
  5. Step 5: Solve for x
    x = 77,237.05/296.12
  6. Step 6: Final answer
    x = 260.83

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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.