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Finding the Fourth Proportional to 444,580.37, 666,872.28 and 107,620.47

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Solution

The fourth proportional to 444,580.37, 666,872.28 and 107,620.47 is: 161,431.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,580.37 : 666,872.28 = 107,620.47 : x
  2. Step 2: Convert to fraction form
    444,580.37/666,872.28 = 107,620.47/x
  3. Step 3: Cross multiply
    444,580.37x = 666,872.28 × 107,620.47
  4. Step 4: Simplify right side
    444,580.37x = 71,769,106,388.80
  5. Step 5: Solve for x
    x = 71,769,106,388.80/444,580.37
  6. Step 6: Final answer
    x = 161,431.12

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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.