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Finding the Fourth Proportional to 444,816.45, 666,585.78 and 252,843.42

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Solution

The fourth proportional to 444,816.45, 666,585.78 and 252,843.42 is: 378,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,816.45 : 666,585.78 = 252,843.42 : x
  2. Step 2: Convert to fraction form
    444,816.45/666,585.78 = 252,843.42/x
  3. Step 3: Cross multiply
    444,816.45x = 666,585.78 × 252,843.42
  4. Step 4: Simplify right side
    444,816.45x = 168,541,828,338.57
  5. Step 5: Solve for x
    x = 168,541,828,338.57/444,816.45
  6. Step 6: Final answer
    x = 378,901.97

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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.