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Finding the Fourth Proportional to 448,563.26, 672,974.76 and 133,027.76

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Solution

The fourth proportional to 448,563.26, 672,974.76 and 133,027.76 is: 199,580.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,563.26 : 672,974.76 = 133,027.76 : x
  2. Step 2: Convert to fraction form
    448,563.26/672,974.76 = 133,027.76/x
  3. Step 3: Cross multiply
    448,563.26x = 672,974.76 × 133,027.76
  4. Step 4: Simplify right side
    448,563.26x = 89,524,324,859.34
  5. Step 5: Solve for x
    x = 89,524,324,859.34/448,563.26
  6. Step 6: Final answer
    x = 199,580.15

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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.