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Finding the Fourth Proportional to 293.26, 440.04 and 120.04

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Solution

The fourth proportional to 293.26, 440.04 and 120.04 is: 180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.26 : 440.04 = 120.04 : x
  2. Step 2: Convert to fraction form
    293.26/440.04 = 120.04/x
  3. Step 3: Cross multiply
    293.26x = 440.04 × 120.04
  4. Step 4: Simplify right side
    293.26x = 52,819.60
  5. Step 5: Solve for x
    x = 52,819.60/293.26
  6. Step 6: Final answer
    x = 180.11

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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.