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Finding the Fourth Proportional to 293.04, 404.40 and 168.66

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Solution

The fourth proportional to 293.04, 404.40 and 168.66 is: 232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.04 : 404.40 = 168.66 : x
  2. Step 2: Convert to fraction form
    293.04/404.40 = 168.66/x
  3. Step 3: Cross multiply
    293.04x = 404.40 × 168.66
  4. Step 4: Simplify right side
    293.04x = 68,206.10
  5. Step 5: Solve for x
    x = 68,206.10/293.04
  6. Step 6: Final answer
    x = 232.75

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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.