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Finding the Fourth Proportional to 396,370.53, 594,646.62 and 171,768.67

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Solution

The fourth proportional to 396,370.53, 594,646.62 and 171,768.67 is: 257,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,370.53 : 594,646.62 = 171,768.67 : x
  2. Step 2: Convert to fraction form
    396,370.53/594,646.62 = 171,768.67/x
  3. Step 3: Cross multiply
    396,370.53x = 594,646.62 × 171,768.67
  4. Step 4: Simplify right side
    396,370.53x = 102,141,656,906.65
  5. Step 5: Solve for x
    x = 102,141,656,906.65/396,370.53
  6. Step 6: Final answer
    x = 257,692.36

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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.