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Finding the Fourth Proportional to 6,394,490.83, 8,824,459.34 and 3,493,881.44

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Solution

The fourth proportional to 6,394,490.83, 8,824,459.34 and 3,493,881.44 is: 4,821,590.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394,490.83 : 8,824,459.34 = 3,493,881.44 : x
  2. Step 2: Convert to fraction form
    6,394,490.83/8,824,459.34 = 3,493,881.44/x
  3. Step 3: Cross multiply
    6,394,490.83x = 8,824,459.34 × 3,493,881.44
  4. Step 4: Simplify right side
    6,394,490.83x = 30,831,614,706,060.65
  5. Step 5: Solve for x
    x = 30,831,614,706,060.65/6,394,490.83
  6. Step 6: Final answer
    x = 4,821,590.26

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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.