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Finding the Fourth Proportional to 373.76, 560.80 and 168.43

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Solution

The fourth proportional to 373.76, 560.80 and 168.43 is: 252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.76 : 560.80 = 168.43 : x
  2. Step 2: Convert to fraction form
    373.76/560.80 = 168.43/x
  3. Step 3: Cross multiply
    373.76x = 560.80 × 168.43
  4. Step 4: Simplify right side
    373.76x = 94,454.93
  5. Step 5: Solve for x
    x = 94,454.93/373.76
  6. Step 6: Final answer
    x = 252.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.