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Finding the Fourth Proportional to 633,800.78, 950,061.09 and 397,309.22

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Solution

The fourth proportional to 633,800.78, 950,061.09 and 397,309.22 is: 595,562.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,800.78 : 950,061.09 = 397,309.22 : x
  2. Step 2: Convert to fraction form
    633,800.78/950,061.09 = 397,309.22/x
  3. Step 3: Cross multiply
    633,800.78x = 950,061.09 × 397,309.22
  4. Step 4: Simplify right side
    633,800.78x = 377,468,030,620.25
  5. Step 5: Solve for x
    x = 377,468,030,620.25/633,800.78
  6. Step 6: Final answer
    x = 595,562.58

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1.5x scale

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.