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Finding the Fourth Proportional to 376.88, 564.96 and 194.48

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Solution

The fourth proportional to 376.88, 564.96 and 194.48 is: 291.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.88 : 564.96 = 194.48 : x
  2. Step 2: Convert to fraction form
    376.88/564.96 = 194.48/x
  3. Step 3: Cross multiply
    376.88x = 564.96 × 194.48
  4. Step 4: Simplify right side
    376.88x = 109,873.42
  5. Step 5: Solve for x
    x = 109,873.42/376.88
  6. Step 6: Final answer
    x = 291.53

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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.