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Finding the Fourth Proportional to 322,047.63, 444,439.62 and 178,807.68

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Solution

The fourth proportional to 322,047.63, 444,439.62 and 178,807.68 is: 246,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,047.63 : 444,439.62 = 178,807.68 : x
  2. Step 2: Convert to fraction form
    322,047.63/444,439.62 = 178,807.68/x
  3. Step 3: Cross multiply
    322,047.63x = 444,439.62 × 178,807.68
  4. Step 4: Simplify right side
    322,047.63x = 79,469,217,352.28
  5. Step 5: Solve for x
    x = 79,469,217,352.28/322,047.63
  6. Step 6: Final answer
    x = 246,762.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.