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Finding the Fourth Proportional to 414,696.70, 622,143.75 and 134,213.95

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Solution

The fourth proportional to 414,696.70, 622,143.75 and 134,213.95 is: 201,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,696.70 : 622,143.75 = 134,213.95 : x
  2. Step 2: Convert to fraction form
    414,696.70/622,143.75 = 134,213.95/x
  3. Step 3: Cross multiply
    414,696.70x = 622,143.75 × 134,213.95
  4. Step 4: Simplify right side
    414,696.70x = 83,500,367,044.59
  5. Step 5: Solve for x
    x = 83,500,367,044.59/414,696.70
  6. Step 6: Final answer
    x = 201,352.86

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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.