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Finding the Fourth Proportional to 444,469.76, 666,778.08 and 144,863.36

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Solution

The fourth proportional to 444,469.76, 666,778.08 and 144,863.36 is: 217,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,469.76 : 666,778.08 = 144,863.36 : x
  2. Step 2: Convert to fraction form
    444,469.76/666,778.08 = 144,863.36/x
  3. Step 3: Cross multiply
    444,469.76x = 666,778.08 × 144,863.36
  4. Step 4: Simplify right side
    444,469.76x = 96,591,713,043.15
  5. Step 5: Solve for x
    x = 96,591,713,043.15/444,469.76
  6. Step 6: Final answer
    x = 217,318.98

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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.