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Finding the Fourth Proportional to 396,985.59, 595,388.63 and 116,524.71

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Solution

The fourth proportional to 396,985.59, 595,388.63 and 116,524.71 is: 174,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,985.59 : 595,388.63 = 116,524.71 : x
  2. Step 2: Convert to fraction form
    396,985.59/595,388.63 = 116,524.71/x
  3. Step 3: Cross multiply
    396,985.59x = 595,388.63 × 116,524.71
  4. Step 4: Simplify right side
    396,985.59x = 69,377,486,865.42
  5. Step 5: Solve for x
    x = 69,377,486,865.42/396,985.59
  6. Step 6: Final answer
    x = 174,760.72

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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.