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Finding the Fourth Proportional to 445,005.38, 667,699.22 and 295,297.94

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Solution

The fourth proportional to 445,005.38, 667,699.22 and 295,297.94 is: 443,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,005.38 : 667,699.22 = 295,297.94 : x
  2. Step 2: Convert to fraction form
    445,005.38/667,699.22 = 295,297.94/x
  3. Step 3: Cross multiply
    445,005.38x = 667,699.22 × 295,297.94
  4. Step 4: Simplify right side
    445,005.38x = 197,170,204,205.61
  5. Step 5: Solve for x
    x = 197,170,204,205.61/445,005.38
  6. Step 6: Final answer
    x = 443,073.75

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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.