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Finding the Fourth Proportional to 882,257.80, 1,324,698.90 and 682,803.40

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Solution

The fourth proportional to 882,257.80, 1,324,698.90 and 682,803.40 is: 1,025,220.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,257.80 : 1,324,698.90 = 682,803.40 : x
  2. Step 2: Convert to fraction form
    882,257.80/1,324,698.90 = 682,803.40/x
  3. Step 3: Cross multiply
    882,257.80x = 1,324,698.90 × 682,803.40
  4. Step 4: Simplify right side
    882,257.80x = 904,508,912,896.26
  5. Step 5: Solve for x
    x = 904,508,912,896.26/882,257.80
  6. Step 6: Final answer
    x = 1,025,220.65

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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.