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Finding the Fourth Proportional to 444,975.67, 667,457.70 and 108,019

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Solution

The fourth proportional to 444,975.67, 667,457.70 and 108,019 is: 162,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,975.67 : 667,457.70 = 108,019 : x
  2. Step 2: Convert to fraction form
    444,975.67/667,457.70 = 108,019/x
  3. Step 3: Cross multiply
    444,975.67x = 667,457.70 × 108,019
  4. Step 4: Simplify right side
    444,975.67x = 72,098,113,296.30
  5. Step 5: Solve for x
    x = 72,098,113,296.30/444,975.67
  6. Step 6: Final answer
    x = 162,027.09

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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.