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Finding the Fourth Proportional to 6,394,486.20, 8,824,452.95 and 3,493,876.82

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Solution

The fourth proportional to 6,394,486.20, 8,824,452.95 and 3,493,876.82 is: 4,821,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394,486.20 : 8,824,452.95 = 3,493,876.82 : x
  2. Step 2: Convert to fraction form
    6,394,486.20/8,824,452.95 = 3,493,876.82/x
  3. Step 3: Cross multiply
    6,394,486.20x = 8,824,452.95 × 3,493,876.82
  4. Step 4: Simplify right side
    6,394,486.20x = 30,831,551,549,593.97
  5. Step 5: Solve for x
    x = 30,831,551,549,593.97/6,394,486.20
  6. Step 6: Final answer
    x = 4,821,583.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.