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Finding the Fourth Proportional to 445,005.37, 667,699.22 and 295,297.93

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Solution

The fourth proportional to 445,005.37, 667,699.22 and 295,297.93 is: 443,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,005.37 : 667,699.22 = 295,297.93 : x
  2. Step 2: Convert to fraction form
    445,005.37/667,699.22 = 295,297.93/x
  3. Step 3: Cross multiply
    445,005.37x = 667,699.22 × 295,297.93
  4. Step 4: Simplify right side
    445,005.37x = 197,170,197,528.62
  5. Step 5: Solve for x
    x = 197,170,197,528.62/445,005.37
  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.