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Finding the Fourth Proportional to 286,471.66, 395,471.14 and 179,076.29

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Solution

The fourth proportional to 286,471.66, 395,471.14 and 179,076.29 is: 247,212.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,471.66 : 395,471.14 = 179,076.29 : x
  2. Step 2: Convert to fraction form
    286,471.66/395,471.14 = 179,076.29/x
  3. Step 3: Cross multiply
    286,471.66x = 395,471.14 × 179,076.29
  4. Step 4: Simplify right side
    286,471.66x = 70,819,504,553.27
  5. Step 5: Solve for x
    x = 70,819,504,553.27/286,471.66
  6. Step 6: Final answer
    x = 247,212.95

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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.