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Finding the Fourth Proportional to 396,423.42, 594,629.96 and 96,906.64

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Solution

The fourth proportional to 396,423.42, 594,629.96 and 96,906.64 is: 145,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,423.42 : 594,629.96 = 96,906.64 : x
  2. Step 2: Convert to fraction form
    396,423.42/594,629.96 = 96,906.64/x
  3. Step 3: Cross multiply
    396,423.42x = 594,629.96 × 96,906.64
  4. Step 4: Simplify right side
    396,423.42x = 57,623,591,466.93
  5. Step 5: Solve for x
    x = 57,623,591,466.93/396,423.42
  6. Step 6: Final answer
    x = 145,358.70

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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.