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Finding the Fourth Proportional to 396,699.39, 595,049.09 and 116,216.64

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Solution

The fourth proportional to 396,699.39, 595,049.09 and 116,216.64 is: 174,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,699.39 : 595,049.09 = 116,216.64 : x
  2. Step 2: Convert to fraction form
    396,699.39/595,049.09 = 116,216.64/x
  3. Step 3: Cross multiply
    396,699.39x = 595,049.09 × 116,216.64
  4. Step 4: Simplify right side
    396,699.39x = 69,154,605,293.77
  5. Step 5: Solve for x
    x = 69,154,605,293.77/396,699.39
  6. Step 6: Final answer
    x = 174,324.96

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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.