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Finding the Fourth Proportional to 2,936,395.85, 4,404,584.86 and 806,481.86

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Solution

The fourth proportional to 2,936,395.85, 4,404,584.86 and 806,481.86 is: 1,209,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936,395.85 : 4,404,584.86 = 806,481.86 : x
  2. Step 2: Convert to fraction form
    2,936,395.85/4,404,584.86 = 806,481.86/x
  3. Step 3: Cross multiply
    2,936,395.85x = 4,404,584.86 × 806,481.86
  4. Step 4: Simplify right side
    2,936,395.85x = 3,552,217,766,381.51
  5. Step 5: Solve for x
    x = 3,552,217,766,381.51/2,936,395.85
  6. Step 6: Final answer
    x = 1,209,720.34

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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.