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Finding the Fourth Proportional to 633,815.76, 950,083.86 and 397,324.56

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Solution

The fourth proportional to 633,815.76, 950,083.86 and 397,324.56 is: 595,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,815.76 : 950,083.86 = 397,324.56 : x
  2. Step 2: Convert to fraction form
    633,815.76/950,083.86 = 397,324.56/x
  3. Step 3: Cross multiply
    633,815.76x = 950,083.86 × 397,324.56
  4. Step 4: Simplify right side
    633,815.76x = 377,491,651,637.60
  5. Step 5: Solve for x
    x = 377,491,651,637.60/633,815.76
  6. Step 6: Final answer
    x = 595,585.78

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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.