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Finding the Fourth Proportional to 444,043.37, 666,073.16 and 144,522.78

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Solution

The fourth proportional to 444,043.37, 666,073.16 and 144,522.78 is: 216,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,043.37 : 666,073.16 = 144,522.78 : x
  2. Step 2: Convert to fraction form
    444,043.37/666,073.16 = 144,522.78/x
  3. Step 3: Cross multiply
    444,043.37x = 666,073.16 × 144,522.78
  4. Step 4: Simplify right side
    444,043.37x = 96,262,744,043.97
  5. Step 5: Solve for x
    x = 96,262,744,043.97/444,043.37
  6. Step 6: Final answer
    x = 216,786.81

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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.