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Finding the Fourth Proportional to 374.11, 560.77 and 168.62

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Solution

The fourth proportional to 374.11, 560.77 and 168.62 is: 252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.11 : 560.77 = 168.62 : x
  2. Step 2: Convert to fraction form
    374.11/560.77 = 168.62/x
  3. Step 3: Cross multiply
    374.11x = 560.77 × 168.62
  4. Step 4: Simplify right side
    374.11x = 94,553.81
  5. Step 5: Solve for x
    x = 94,553.81/374.11
  6. Step 6: Final answer
    x = 252.75

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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.