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Finding the Fourth Proportional to 296.22, 443.72 and 174.19

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Solution

The fourth proportional to 296.22, 443.72 and 174.19 is: 260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.22 : 443.72 = 174.19 : x
  2. Step 2: Convert to fraction form
    296.22/443.72 = 174.19/x
  3. Step 3: Cross multiply
    296.22x = 443.72 × 174.19
  4. Step 4: Simplify right side
    296.22x = 77,291.59
  5. Step 5: Solve for x
    x = 77,291.59/296.22
  6. Step 6: Final answer
    x = 260.93

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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.