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Finding the Fourth Proportional to 295.67, 443.45 and 79.26

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Solution

The fourth proportional to 295.67, 443.45 and 79.26 is: 118.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.67 : 443.45 = 79.26 : x
  2. Step 2: Convert to fraction form
    295.67/443.45 = 79.26/x
  3. Step 3: Cross multiply
    295.67x = 443.45 × 79.26
  4. Step 4: Simplify right side
    295.67x = 35,147.45
  5. Step 5: Solve for x
    x = 35,147.45/295.67
  6. Step 6: Final answer
    x = 118.88

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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.