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Finding the Fourth Proportional to 376.92, 565.48 and 194.24

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Solution

The fourth proportional to 376.92, 565.48 and 194.24 is: 291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.92 : 565.48 = 194.24 : x
  2. Step 2: Convert to fraction form
    376.92/565.48 = 194.24/x
  3. Step 3: Cross multiply
    376.92x = 565.48 × 194.24
  4. Step 4: Simplify right side
    376.92x = 109,838.84
  5. Step 5: Solve for x
    x = 109,838.84/376.92
  6. Step 6: Final answer
    x = 291.41

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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.