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Finding the Fourth Proportional to 396,501.73, 594,557.31 and 143,744.33

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Solution

The fourth proportional to 396,501.73, 594,557.31 and 143,744.33 is: 215,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,501.73 : 594,557.31 = 143,744.33 : x
  2. Step 2: Convert to fraction form
    396,501.73/594,557.31 = 143,744.33/x
  3. Step 3: Cross multiply
    396,501.73x = 594,557.31 × 143,744.33
  4. Step 4: Simplify right side
    396,501.73x = 85,464,244,124.45
  5. Step 5: Solve for x
    x = 85,464,244,124.45/396,501.73
  6. Step 6: Final answer
    x = 215,545.70

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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.