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Finding the Fourth Proportional to 481,993.91, 722,991.87 and 197,632.07

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Solution

The fourth proportional to 481,993.91, 722,991.87 and 197,632.07 is: 296,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,993.91 : 722,991.87 = 197,632.07 : x
  2. Step 2: Convert to fraction form
    481,993.91/722,991.87 = 197,632.07/x
  3. Step 3: Cross multiply
    481,993.91x = 722,991.87 × 197,632.07
  4. Step 4: Simplify right side
    481,993.91x = 142,886,379,861.27
  5. Step 5: Solve for x
    x = 142,886,379,861.27/481,993.91
  6. Step 6: Final answer
    x = 296,448.52

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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.