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Finding the Fourth Proportional to 270,694.41, 405,813.19 and 170,634.03

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Solution

The fourth proportional to 270,694.41, 405,813.19 and 170,634.03 is: 255,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,694.41 : 405,813.19 = 170,634.03 : x
  2. Step 2: Convert to fraction form
    270,694.41/405,813.19 = 170,634.03/x
  3. Step 3: Cross multiply
    270,694.41x = 405,813.19 × 170,634.03
  4. Step 4: Simplify right side
    270,694.41x = 69,245,540,036.86
  5. Step 5: Solve for x
    x = 69,245,540,036.86/270,694.41
  6. Step 6: Final answer
    x = 255,807.06

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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.