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Finding the Fourth Proportional to 2,627,736.56, 3,941,745.56 and 830,483.28

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Solution

The fourth proportional to 2,627,736.56, 3,941,745.56 and 830,483.28 is: 1,245,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627,736.56 : 3,941,745.56 = 830,483.28 : x
  2. Step 2: Convert to fraction form
    2,627,736.56/3,941,745.56 = 830,483.28/x
  3. Step 3: Cross multiply
    2,627,736.56x = 3,941,745.56 × 830,483.28
  4. Step 4: Simplify right side
    2,627,736.56x = 3,273,553,781,594.24
  5. Step 5: Solve for x
    x = 3,273,553,781,594.24/2,627,736.56
  6. Step 6: Final answer
    x = 1,245,769.39

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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.