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Finding the Fourth Proportional to 1,255,010.76, 1,731,928.20 and 682,050.92

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Solution

The fourth proportional to 1,255,010.76, 1,731,928.20 and 682,050.92 is: 941,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,010.76 : 1,731,928.20 = 682,050.92 : x
  2. Step 2: Convert to fraction form
    1,255,010.76/1,731,928.20 = 682,050.92/x
  3. Step 3: Cross multiply
    1,255,010.76x = 1,731,928.20 × 682,050.92
  4. Step 4: Simplify right side
    1,255,010.76x = 1,181,263,222,183.94
  5. Step 5: Solve for x
    x = 1,181,263,222,183.94/1,255,010.76
  6. Step 6: Final answer
    x = 941,237.53

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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.