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Finding the Fourth Proportional to 396,156.62, 593,220.71 and 218,466.52

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Solution

The fourth proportional to 396,156.62, 593,220.71 and 218,466.52 is: 327,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,156.62 : 593,220.71 = 218,466.52 : x
  2. Step 2: Convert to fraction form
    396,156.62/593,220.71 = 218,466.52/x
  3. Step 3: Cross multiply
    396,156.62x = 593,220.71 × 218,466.52
  4. Step 4: Simplify right side
    396,156.62x = 129,598,863,168.74
  5. Step 5: Solve for x
    x = 129,598,863,168.74/396,156.62
  6. Step 6: Final answer
    x = 327,140.47

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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.