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Finding the Fourth Proportional to 292.75, 404.04 and 176.29

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Solution

The fourth proportional to 292.75, 404.04 and 176.29 is: 243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.75 : 404.04 = 176.29 : x
  2. Step 2: Convert to fraction form
    292.75/404.04 = 176.29/x
  3. Step 3: Cross multiply
    292.75x = 404.04 × 176.29
  4. Step 4: Simplify right side
    292.75x = 71,228.21
  5. Step 5: Solve for x
    x = 71,228.21/292.75
  6. Step 6: Final answer
    x = 243.31

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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.