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Finding the Fourth Proportional to 293, 404.34 and 176.58

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Solution

The fourth proportional to 293, 404.34 and 176.58 is: 243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293 : 404.34 = 176.58 : x
  2. Step 2: Convert to fraction form
    293/404.34 = 176.58/x
  3. Step 3: Cross multiply
    293x = 404.34 × 176.58
  4. Step 4: Simplify right side
    293x = 71,398.36
  5. Step 5: Solve for x
    x = 71,398.36/293
  6. Step 6: Final answer
    x = 243.68

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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.