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Finding the Fourth Proportional to 444,311.81, 666,495.42 and 178,037.73

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Solution

The fourth proportional to 444,311.81, 666,495.42 and 178,037.73 is: 267,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,311.81 : 666,495.42 = 178,037.73 : x
  2. Step 2: Convert to fraction form
    444,311.81/666,495.42 = 178,037.73/x
  3. Step 3: Cross multiply
    444,311.81x = 666,495.42 × 178,037.73
  4. Step 4: Simplify right side
    444,311.81x = 118,661,330,964.56
  5. Step 5: Solve for x
    x = 118,661,330,964.56/444,311.81
  6. Step 6: Final answer
    x = 267,067.69

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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.