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Finding the Fourth Proportional to 444,408.75, 666,613.13 and 111,984.75

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Solution

The fourth proportional to 444,408.75, 666,613.13 and 111,984.75 is: 167,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,408.75 : 666,613.13 = 111,984.75 : x
  2. Step 2: Convert to fraction form
    444,408.75/666,613.13 = 111,984.75/x
  3. Step 3: Cross multiply
    444,408.75x = 666,613.13 × 111,984.75
  4. Step 4: Simplify right side
    444,408.75x = 74,650,504,149.84
  5. Step 5: Solve for x
    x = 74,650,504,149.84/444,408.75
  6. Step 6: Final answer
    x = 167,977.13

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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.