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Finding the Fourth Proportional to 396.83, 594.57 and 362.81

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Solution

The fourth proportional to 396.83, 594.57 and 362.81 is: 543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.83 : 594.57 = 362.81 : x
  2. Step 2: Convert to fraction form
    396.83/594.57 = 362.81/x
  3. Step 3: Cross multiply
    396.83x = 594.57 × 362.81
  4. Step 4: Simplify right side
    396.83x = 215,715.94
  5. Step 5: Solve for x
    x = 215,715.94/396.83
  6. Step 6: Final answer
    x = 543.60

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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.