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Finding the Fourth Proportional to 448,896.69, 673,229.83 and 133,280.37

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Solution

The fourth proportional to 448,896.69, 673,229.83 and 133,280.37 is: 199,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,896.69 : 673,229.83 = 133,280.37 : x
  2. Step 2: Convert to fraction form
    448,896.69/673,229.83 = 133,280.37/x
  3. Step 3: Cross multiply
    448,896.69x = 673,229.83 × 133,280.37
  4. Step 4: Simplify right side
    448,896.69x = 89,728,320,837.44
  5. Step 5: Solve for x
    x = 89,728,320,837.44/448,896.69
  6. Step 6: Final answer
    x = 199,886.35

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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.