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Finding the Fourth Proportional to 293.24, 404.34 and 219.32

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Solution

The fourth proportional to 293.24, 404.34 and 219.32 is: 302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.24 : 404.34 = 219.32 : x
  2. Step 2: Convert to fraction form
    293.24/404.34 = 219.32/x
  3. Step 3: Cross multiply
    293.24x = 404.34 × 219.32
  4. Step 4: Simplify right side
    293.24x = 88,679.85
  5. Step 5: Solve for x
    x = 88,679.85/293.24
  6. Step 6: Final answer
    x = 302.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.