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Finding the Fourth Proportional to 6,394,174.32, 8,823,857.60 and 3,493,502.88

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Solution

The fourth proportional to 6,394,174.32, 8,823,857.60 and 3,493,502.88 is: 4,820,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394,174.32 : 8,823,857.60 = 3,493,502.88 : x
  2. Step 2: Convert to fraction form
    6,394,174.32/8,823,857.60 = 3,493,502.88/x
  3. Step 3: Cross multiply
    6,394,174.32x = 8,823,857.60 × 3,493,502.88
  4. Step 4: Simplify right side
    6,394,174.32x = 30,826,171,938,309.89
  5. Step 5: Solve for x
    x = 30,826,171,938,309.89/6,394,174.32
  6. Step 6: Final answer
    x = 4,820,977.72

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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.