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Finding the Fourth Proportional to 6,394,490.33, 8,824,458.65 and 3,493,880.94

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Solution

The fourth proportional to 6,394,490.33, 8,824,458.65 and 3,493,880.94 is: 4,821,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394,490.33 : 8,824,458.65 = 3,493,880.94 : x
  2. Step 2: Convert to fraction form
    6,394,490.33/8,824,458.65 = 3,493,880.94/x
  3. Step 3: Cross multiply
    6,394,490.33x = 8,824,458.65 × 3,493,880.94
  4. Step 4: Simplify right side
    6,394,490.33x = 30,831,607,883,053.13
  5. Step 5: Solve for x
    x = 30,831,607,883,053.13/6,394,490.33
  6. Step 6: Final answer
    x = 4,821,589.57

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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.