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Finding the Fourth Proportional to 4,969,866.00, 7,454,809.39 and 1,375,643.33

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Solution

The fourth proportional to 4,969,866.00, 7,454,809.39 and 1,375,643.33 is: 2,063,467.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969,866.00 : 7,454,809.39 = 1,375,643.33 : x
  2. Step 2: Convert to fraction form
    4,969,866.00/7,454,809.39 = 1,375,643.33/x
  3. Step 3: Cross multiply
    4,969,866.00x = 7,454,809.39 × 1,375,643.33
  4. Step 4: Simplify right side
    4,969,866.00x = 10,255,158,826,418.97
  5. Step 5: Solve for x
    x = 10,255,158,826,418.97/4,969,866.00
  6. Step 6: Final answer
    x = 2,063,467.87

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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.