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Finding the Fourth Proportional to 445,257.92, 667,575.84 and 164,738.72

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Solution

The fourth proportional to 445,257.92, 667,575.84 and 164,738.72 is: 246,993.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,257.92 : 667,575.84 = 164,738.72 : x
  2. Step 2: Convert to fraction form
    445,257.92/667,575.84 = 164,738.72/x
  3. Step 3: Cross multiply
    445,257.92x = 667,575.84 × 164,738.72
  4. Step 4: Simplify right side
    445,257.92x = 109,975,589,384.53
  5. Step 5: Solve for x
    x = 109,975,589,384.53/445,257.92
  6. Step 6: Final answer
    x = 246,993.00

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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.