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Finding the Fourth Proportional to 444,706.50, 667,128.87 and 149,287.62

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Solution

The fourth proportional to 444,706.50, 667,128.87 and 149,287.62 is: 223,954.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,706.50 : 667,128.87 = 149,287.62 : x
  2. Step 2: Convert to fraction form
    444,706.50/667,128.87 = 149,287.62/x
  3. Step 3: Cross multiply
    444,706.50x = 667,128.87 × 149,287.62
  4. Step 4: Simplify right side
    444,706.50x = 99,594,081,235.59
  5. Step 5: Solve for x
    x = 99,594,081,235.59/444,706.50
  6. Step 6: Final answer
    x = 223,954.63

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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.