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Finding the Fourth Proportional to 775,243.88, 1,162,620.06 and 249,809

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Solution

The fourth proportional to 775,243.88, 1,162,620.06 and 249,809 is: 374,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,243.88 : 1,162,620.06 = 249,809 : x
  2. Step 2: Convert to fraction form
    775,243.88/1,162,620.06 = 249,809/x
  3. Step 3: Cross multiply
    775,243.88x = 1,162,620.06 × 249,809
  4. Step 4: Simplify right side
    775,243.88x = 290,432,954,568.54
  5. Step 5: Solve for x
    x = 290,432,954,568.54/775,243.88
  6. Step 6: Final answer
    x = 374,634.31

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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.