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Finding the Fourth Proportional to 633,578.33, 950,509.34 and 212,842.73

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Solution

The fourth proportional to 633,578.33, 950,509.34 and 212,842.73 is: 319,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,578.33 : 950,509.34 = 212,842.73 : x
  2. Step 2: Convert to fraction form
    633,578.33/950,509.34 = 212,842.73/x
  3. Step 3: Cross multiply
    633,578.33x = 950,509.34 × 212,842.73
  4. Step 4: Simplify right side
    633,578.33x = 202,309,002,816.10
  5. Step 5: Solve for x
    x = 202,309,002,816.10/633,578.33
  6. Step 6: Final answer
    x = 319,311.75

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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.