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Finding the Fourth Proportional to 292.89, 404.18 and 174.91

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Solution

The fourth proportional to 292.89, 404.18 and 174.91 is: 241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.89 : 404.18 = 174.91 : x
  2. Step 2: Convert to fraction form
    292.89/404.18 = 174.91/x
  3. Step 3: Cross multiply
    292.89x = 404.18 × 174.91
  4. Step 4: Simplify right side
    292.89x = 70,696.85
  5. Step 5: Solve for x
    x = 70,696.85/292.89
  6. Step 6: Final answer
    x = 241.38

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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.