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Finding the Fourth Proportional to 396,318.62, 594,568.58 and 171,716.42

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Solution

The fourth proportional to 396,318.62, 594,568.58 and 171,716.42 is: 257,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,318.62 : 594,568.58 = 171,716.42 : x
  2. Step 2: Convert to fraction form
    396,318.62/594,568.58 = 171,716.42/x
  3. Step 3: Cross multiply
    396,318.62x = 594,568.58 × 171,716.42
  4. Step 4: Simplify right side
    396,318.62x = 102,097,184,170.66
  5. Step 5: Solve for x
    x = 102,097,184,170.66/396,318.62
  6. Step 6: Final answer
    x = 257,613.90

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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.