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Finding the Fourth Proportional to 454,756.97, 682,019.09 and 134,834.03

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Solution

The fourth proportional to 454,756.97, 682,019.09 and 134,834.03 is: 202,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,756.97 : 682,019.09 = 134,834.03 : x
  2. Step 2: Convert to fraction form
    454,756.97/682,019.09 = 134,834.03/x
  3. Step 3: Cross multiply
    454,756.97x = 682,019.09 × 134,834.03
  4. Step 4: Simplify right side
    454,756.97x = 91,959,381,767.46
  5. Step 5: Solve for x
    x = 91,959,381,767.46/454,756.97
  6. Step 6: Final answer
    x = 202,216.54

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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.