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Finding the Fourth Proportional to 295.46, 443.21 and 79.04

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Solution

The fourth proportional to 295.46, 443.21 and 79.04 is: 118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.46 : 443.21 = 79.04 : x
  2. Step 2: Convert to fraction form
    295.46/443.21 = 79.04/x
  3. Step 3: Cross multiply
    295.46x = 443.21 × 79.04
  4. Step 4: Simplify right side
    295.46x = 35,031.32
  5. Step 5: Solve for x
    x = 35,031.32/295.46
  6. Step 6: Final answer
    x = 118.57

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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.