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Finding the Fourth Proportional to 262,519.20, 393,375.60 and 195,645.60

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Solution

The fourth proportional to 262,519.20, 393,375.60 and 195,645.60 is: 293,167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,519.20 : 393,375.60 = 195,645.60 : x
  2. Step 2: Convert to fraction form
    262,519.20/393,375.60 = 195,645.60/x
  3. Step 3: Cross multiply
    262,519.20x = 393,375.60 × 195,645.60
  4. Step 4: Simplify right side
    262,519.20x = 76,962,205,287.36
  5. Step 5: Solve for x
    x = 76,962,205,287.36/262,519.20
  6. Step 6: Final answer
    x = 293,167.91

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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.