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Finding the Fourth Proportional to 681,850.56, 1,022,775 and 183,214.56

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Solution

The fourth proportional to 681,850.56, 1,022,775 and 183,214.56 is: 274,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,850.56 : 1,022,775 = 183,214.56 : x
  2. Step 2: Convert to fraction form
    681,850.56/1,022,775 = 183,214.56/x
  3. Step 3: Cross multiply
    681,850.56x = 1,022,775 × 183,214.56
  4. Step 4: Simplify right side
    681,850.56x = 187,387,271,604
  5. Step 5: Solve for x
    x = 187,387,271,604/681,850.56
  6. Step 6: Final answer
    x = 274,821.61

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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.