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Finding the Fourth Proportional to 445,846.39, 667,627.80 and 245,944.60

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Solution

The fourth proportional to 445,846.39, 667,627.80 and 245,944.60 is: 368,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,846.39 : 667,627.80 = 245,944.60 : x
  2. Step 2: Convert to fraction form
    445,846.39/667,627.80 = 245,944.60/x
  3. Step 3: Cross multiply
    445,846.39x = 667,627.80 × 245,944.60
  4. Step 4: Simplify right side
    445,846.39x = 164,199,452,219.88
  5. Step 5: Solve for x
    x = 164,199,452,219.88/445,846.39
  6. Step 6: Final answer
    x = 368,287.05

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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.