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Finding the Fourth Proportional to 3,766,363.60, 5,643,324.60 and 3,206,491.60

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Solution

The fourth proportional to 3,766,363.60, 5,643,324.60 and 3,206,491.60 is: 4,804,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,363.60 : 5,643,324.60 = 3,206,491.60 : x
  2. Step 2: Convert to fraction form
    3,766,363.60/5,643,324.60 = 3,206,491.60/x
  3. Step 3: Cross multiply
    3,766,363.60x = 5,643,324.60 × 3,206,491.60
  4. Step 4: Simplify right side
    3,766,363.60x = 18,095,272,925,973.36
  5. Step 5: Solve for x
    x = 18,095,272,925,973.36/3,766,363.60
  6. Step 6: Final answer
    x = 4,804,441.33

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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.