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Finding the Fourth Proportional to 360,939.71, 541,179.83 and 171,283.07

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Solution

The fourth proportional to 360,939.71, 541,179.83 and 171,283.07 is: 256,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,939.71 : 541,179.83 = 171,283.07 : x
  2. Step 2: Convert to fraction form
    360,939.71/541,179.83 = 171,283.07/x
  3. Step 3: Cross multiply
    360,939.71x = 541,179.83 × 171,283.07
  4. Step 4: Simplify right side
    360,939.71x = 92,694,944,485.64
  5. Step 5: Solve for x
    x = 92,694,944,485.64/360,939.71
  6. Step 6: Final answer
    x = 256,815.59

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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.