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Finding the Fourth Proportional to 633,987.67, 950,889.52 and 207,540.38

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Solution

The fourth proportional to 633,987.67, 950,889.52 and 207,540.38 is: 311,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,987.67 : 950,889.52 = 207,540.38 : x
  2. Step 2: Convert to fraction form
    633,987.67/950,889.52 = 207,540.38/x
  3. Step 3: Cross multiply
    633,987.67x = 950,889.52 × 207,540.38
  4. Step 4: Simplify right side
    633,987.67x = 197,347,976,134.79
  5. Step 5: Solve for x
    x = 197,347,976,134.79/633,987.67
  6. Step 6: Final answer
    x = 311,280.47

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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.