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Finding the Fourth Proportional to 444,481.60, 666,722.40 and 414,738.40

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Solution

The fourth proportional to 444,481.60, 666,722.40 and 414,738.40 is: 622,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,481.60 : 666,722.40 = 414,738.40 : x
  2. Step 2: Convert to fraction form
    444,481.60/666,722.40 = 414,738.40/x
  3. Step 3: Cross multiply
    444,481.60x = 666,722.40 × 414,738.40
  4. Step 4: Simplify right side
    444,481.60x = 276,515,381,420.16
  5. Step 5: Solve for x
    x = 276,515,381,420.16/444,481.60
  6. Step 6: Final answer
    x = 622,107.60

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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.