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Finding the Fourth Proportional to 444,353.77, 666,599.78 and 144,764.61

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Solution

The fourth proportional to 444,353.77, 666,599.78 and 144,764.61 is: 217,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,353.77 : 666,599.78 = 144,764.61 : x
  2. Step 2: Convert to fraction form
    444,353.77/666,599.78 = 144,764.61/x
  3. Step 3: Cross multiply
    444,353.77x = 666,599.78 × 144,764.61
  4. Step 4: Simplify right side
    444,353.77x = 96,500,053,120.96
  5. Step 5: Solve for x
    x = 96,500,053,120.96/444,353.77
  6. Step 6: Final answer
    x = 217,169.43

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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.