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Finding the Fourth Proportional to 292.80, 404.00 and 174.74

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Solution

The fourth proportional to 292.80, 404.00 and 174.74 is: 241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.80 : 404.00 = 174.74 : x
  2. Step 2: Convert to fraction form
    292.80/404.00 = 174.74/x
  3. Step 3: Cross multiply
    292.80x = 404.00 × 174.74
  4. Step 4: Simplify right side
    292.80x = 70,593.61
  5. Step 5: Solve for x
    x = 70,593.61/292.80
  6. Step 6: Final answer
    x = 241.10

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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.