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Finding the Fourth Proportional to 799,661, 1,198,558.38 and 444,505.16

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Solution

The fourth proportional to 799,661, 1,198,558.38 and 444,505.16 is: 666,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,661 : 1,198,558.38 = 444,505.16 : x
  2. Step 2: Convert to fraction form
    799,661/1,198,558.38 = 444,505.16/x
  3. Step 3: Cross multiply
    799,661x = 1,198,558.38 × 444,505.16
  4. Step 4: Simplify right side
    799,661x = 532,765,384,471.24
  5. Step 5: Solve for x
    x = 532,765,384,471.24/799,661
  6. Step 6: Final answer
    x = 666,239.05

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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.