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Finding the Fourth Proportional to 444,756.87, 667,282.93 and 145,247.22

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Solution

The fourth proportional to 444,756.87, 667,282.93 and 145,247.22 is: 217,919.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,756.87 : 667,282.93 = 145,247.22 : x
  2. Step 2: Convert to fraction form
    444,756.87/667,282.93 = 145,247.22/x
  3. Step 3: Cross multiply
    444,756.87x = 667,282.93 × 145,247.22
  4. Step 4: Simplify right side
    444,756.87x = 96,920,990,172.84
  5. Step 5: Solve for x
    x = 96,920,990,172.84/444,756.87
  6. Step 6: Final answer
    x = 217,919.04

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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.