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Finding the Fourth Proportional to 444,276.35, 666,906.60 and 275,986.70

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Solution

The fourth proportional to 444,276.35, 666,906.60 and 275,986.70 is: 414,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,276.35 : 666,906.60 = 275,986.70 : x
  2. Step 2: Convert to fraction form
    444,276.35/666,906.60 = 275,986.70/x
  3. Step 3: Cross multiply
    444,276.35x = 666,906.60 × 275,986.70
  4. Step 4: Simplify right side
    444,276.35x = 184,057,351,742.22
  5. Step 5: Solve for x
    x = 184,057,351,742.22/444,276.35
  6. Step 6: Final answer
    x = 414,285.73

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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.