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Finding the Fourth Proportional to 448,887.15, 673,106.49 and 149,262.66

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Solution

The fourth proportional to 448,887.15, 673,106.49 and 149,262.66 is: 223,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,887.15 : 673,106.49 = 149,262.66 : x
  2. Step 2: Convert to fraction form
    448,887.15/673,106.49 = 149,262.66/x
  3. Step 3: Cross multiply
    448,887.15x = 673,106.49 × 149,262.66
  4. Step 4: Simplify right side
    448,887.15x = 100,469,665,160.66
  5. Step 5: Solve for x
    x = 100,469,665,160.66/448,887.15
  6. Step 6: Final answer
    x = 223,819.43

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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.