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Finding the Fourth Proportional to 323,873.71, 446,943.22 and 178,685.61

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Solution

The fourth proportional to 323,873.71, 446,943.22 and 178,685.61 is: 246,584.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,873.71 : 446,943.22 = 178,685.61 : x
  2. Step 2: Convert to fraction form
    323,873.71/446,943.22 = 178,685.61/x
  3. Step 3: Cross multiply
    323,873.71x = 446,943.22 × 178,685.61
  4. Step 4: Simplify right side
    323,873.71x = 79,862,321,007.64
  5. Step 5: Solve for x
    x = 79,862,321,007.64/323,873.71
  6. Step 6: Final answer
    x = 246,584.76

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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.