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Finding the Fourth Proportional to 292.55, 403.76 and 174.53

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Solution

The fourth proportional to 292.55, 403.76 and 174.53 is: 240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.55 : 403.76 = 174.53 : x
  2. Step 2: Convert to fraction form
    292.55/403.76 = 174.53/x
  3. Step 3: Cross multiply
    292.55x = 403.76 × 174.53
  4. Step 4: Simplify right side
    292.55x = 70,469.68
  5. Step 5: Solve for x
    x = 70,469.68/292.55
  6. Step 6: Final answer
    x = 240.88

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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.