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Finding the Fourth Proportional to 300,763.76, 451,010.77 and 179,241.68

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Solution

The fourth proportional to 300,763.76, 451,010.77 and 179,241.68 is: 268,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,763.76 : 451,010.77 = 179,241.68 : x
  2. Step 2: Convert to fraction form
    300,763.76/451,010.77 = 179,241.68/x
  3. Step 3: Cross multiply
    300,763.76x = 451,010.77 × 179,241.68
  4. Step 4: Simplify right side
    300,763.76x = 80,839,928,112.89
  5. Step 5: Solve for x
    x = 80,839,928,112.89/300,763.76
  6. Step 6: Final answer
    x = 268,782.14

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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.