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Finding the Fourth Proportional to 448,997.50, 673,607.22 and 133,453.09

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Solution

The fourth proportional to 448,997.50, 673,607.22 and 133,453.09 is: 200,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,997.50 : 673,607.22 = 133,453.09 : x
  2. Step 2: Convert to fraction form
    448,997.50/673,607.22 = 133,453.09/x
  3. Step 3: Cross multiply
    448,997.50x = 673,607.22 × 133,453.09
  4. Step 4: Simplify right side
    448,997.50x = 89,894,964,955.31
  5. Step 5: Solve for x
    x = 89,894,964,955.31/448,997.50
  6. Step 6: Final answer
    x = 200,212.62

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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.