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Finding the Fourth Proportional to 293.46, 404.96 and 162.48

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Solution

The fourth proportional to 293.46, 404.96 and 162.48 is: 224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.46 : 404.96 = 162.48 : x
  2. Step 2: Convert to fraction form
    293.46/404.96 = 162.48/x
  3. Step 3: Cross multiply
    293.46x = 404.96 × 162.48
  4. Step 4: Simplify right side
    293.46x = 65,797.90
  5. Step 5: Solve for x
    x = 65,797.90/293.46
  6. Step 6: Final answer
    x = 224.21

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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.