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Finding the Fourth Proportional to 6,394,607.43, 8,824,620.24 and 3,493,998.24

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Solution

The fourth proportional to 6,394,607.43, 8,824,620.24 and 3,493,998.24 is: 4,821,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394,607.43 : 8,824,620.24 = 3,493,998.24 : x
  2. Step 2: Convert to fraction form
    6,394,607.43/8,824,620.24 = 3,493,998.24/x
  3. Step 3: Cross multiply
    6,394,607.43x = 8,824,620.24 × 3,493,998.24
  4. Step 4: Simplify right side
    6,394,607.43x = 30,833,207,587,228.38
  5. Step 5: Solve for x
    x = 30,833,207,587,228.38/6,394,607.43
  6. Step 6: Final answer
    x = 4,821,751.44

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.