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Finding the Fourth Proportional to 444,771.66, 666,993.44 and 192,063.80

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Solution

The fourth proportional to 444,771.66, 666,993.44 and 192,063.80 is: 288,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,771.66 : 666,993.44 = 192,063.80 : x
  2. Step 2: Convert to fraction form
    444,771.66/666,993.44 = 192,063.80/x
  3. Step 3: Cross multiply
    444,771.66x = 666,993.44 × 192,063.80
  4. Step 4: Simplify right side
    444,771.66x = 128,105,294,661.47
  5. Step 5: Solve for x
    x = 128,105,294,661.47/444,771.66
  6. Step 6: Final answer
    x = 288,024.86

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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.