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Finding the Fourth Proportional to 396,693.81, 595,484.64 and 263,834.37

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Solution

The fourth proportional to 396,693.81, 595,484.64 and 263,834.37 is: 396,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,693.81 : 595,484.64 = 263,834.37 : x
  2. Step 2: Convert to fraction form
    396,693.81/595,484.64 = 263,834.37/x
  3. Step 3: Cross multiply
    396,693.81x = 595,484.64 × 263,834.37
  4. Step 4: Simplify right side
    396,693.81x = 157,109,314,839.08
  5. Step 5: Solve for x
    x = 157,109,314,839.08/396,693.81
  6. Step 6: Final answer
    x = 396,046.80

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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.