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Finding the Fourth Proportional to 500,960.43, 751,367.75 and 145,879.11

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Solution

The fourth proportional to 500,960.43, 751,367.75 and 145,879.11 is: 218,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,960.43 : 751,367.75 = 145,879.11 : x
  2. Step 2: Convert to fraction form
    500,960.43/751,367.75 = 145,879.11/x
  3. Step 3: Cross multiply
    500,960.43x = 751,367.75 × 145,879.11
  4. Step 4: Simplify right side
    500,960.43x = 109,608,857,923.31
  5. Step 5: Solve for x
    x = 109,608,857,923.31/500,960.43
  6. Step 6: Final answer
    x = 218,797.44

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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.