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Finding the Fourth Proportional to 352,763.87, 486,819.38 and 199,798.26

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Solution

The fourth proportional to 352,763.87, 486,819.38 and 199,798.26 is: 275,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,763.87 : 486,819.38 = 199,798.26 : x
  2. Step 2: Convert to fraction form
    352,763.87/486,819.38 = 199,798.26/x
  3. Step 3: Cross multiply
    352,763.87x = 486,819.38 × 199,798.26
  4. Step 4: Simplify right side
    352,763.87x = 97,265,665,058.28
  5. Step 5: Solve for x
    x = 97,265,665,058.28/352,763.87
  6. Step 6: Final answer
    x = 275,724.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.