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Finding the Fourth Proportional to 1,682,734.40, 2,524,976.40 and 736,200.80

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Solution

The fourth proportional to 1,682,734.40, 2,524,976.40 and 736,200.80 is: 1,104,683.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,734.40 : 2,524,976.40 = 736,200.80 : x
  2. Step 2: Convert to fraction form
    1,682,734.40/2,524,976.40 = 736,200.80/x
  3. Step 3: Cross multiply
    1,682,734.40x = 2,524,976.40 × 736,200.80
  4. Step 4: Simplify right side
    1,682,734.40x = 1,858,889,645,661.12
  5. Step 5: Solve for x
    x = 1,858,889,645,661.12/1,682,734.40
  6. Step 6: Final answer
    x = 1,104,683.93

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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.