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Finding the Fourth Proportional to 664,583.96, 995,855.34 and 451,074.44

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Solution

The fourth proportional to 664,583.96, 995,855.34 and 451,074.44 is: 675,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,583.96 : 995,855.34 = 451,074.44 : x
  2. Step 2: Convert to fraction form
    664,583.96/995,855.34 = 451,074.44/x
  3. Step 3: Cross multiply
    664,583.96x = 995,855.34 × 451,074.44
  4. Step 4: Simplify right side
    664,583.96x = 449,204,889,811.51
  5. Step 5: Solve for x
    x = 449,204,889,811.51/664,583.96
  6. Step 6: Final answer
    x = 675,918.95

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.