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Finding the Fourth Proportional to 292.88, 404.19 and 176.51

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Solution

The fourth proportional to 292.88, 404.19 and 176.51 is: 243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.88 : 404.19 = 176.51 : x
  2. Step 2: Convert to fraction form
    292.88/404.19 = 176.51/x
  3. Step 3: Cross multiply
    292.88x = 404.19 × 176.51
  4. Step 4: Simplify right side
    292.88x = 71,341.56
  5. Step 5: Solve for x
    x = 71,341.56/292.88
  6. Step 6: Final answer
    x = 243.59

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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.