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Finding the Fourth Proportional to 384.67, 576.55 and 201.97

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Solution

The fourth proportional to 384.67, 576.55 and 201.97 is: 302.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.67 : 576.55 = 201.97 : x
  2. Step 2: Convert to fraction form
    384.67/576.55 = 201.97/x
  3. Step 3: Cross multiply
    384.67x = 576.55 × 201.97
  4. Step 4: Simplify right side
    384.67x = 116,446.78
  5. Step 5: Solve for x
    x = 116,446.78/384.67
  6. Step 6: Final answer
    x = 302.72

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