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Finding the Fourth Proportional to 396,445.25, 594,662.55 and 96,928.41

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Solution

The fourth proportional to 396,445.25, 594,662.55 and 96,928.41 is: 145,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,445.25 : 594,662.55 = 96,928.41 : x
  2. Step 2: Convert to fraction form
    396,445.25/594,662.55 = 96,928.41/x
  3. Step 3: Cross multiply
    396,445.25x = 594,662.55 × 96,928.41
  4. Step 4: Simplify right side
    396,445.25x = 57,639,695,458.05
  5. Step 5: Solve for x
    x = 57,639,695,458.05/396,445.25
  6. Step 6: Final answer
    x = 145,391.31

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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.