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Finding the Fourth Proportional to 360,806.63, 541,198.76 and 171,403.29

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Solution

The fourth proportional to 360,806.63, 541,198.76 and 171,403.29 is: 257,099.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,806.63 : 541,198.76 = 171,403.29 : x
  2. Step 2: Convert to fraction form
    360,806.63/541,198.76 = 171,403.29/x
  3. Step 3: Cross multiply
    360,806.63x = 541,198.76 × 171,403.29
  4. Step 4: Simplify right side
    360,806.63x = 92,763,247,150.90
  5. Step 5: Solve for x
    x = 92,763,247,150.90/360,806.63
  6. Step 6: Final answer
    x = 257,099.62

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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.