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Finding the Fourth Proportional to 394,785.73, 592,404.32 and 167,063.41

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Solution

The fourth proportional to 394,785.73, 592,404.32 and 167,063.41 is: 250,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,785.73 : 592,404.32 = 167,063.41 : x
  2. Step 2: Convert to fraction form
    394,785.73/592,404.32 = 167,063.41/x
  3. Step 3: Cross multiply
    394,785.73x = 592,404.32 × 167,063.41
  4. Step 4: Simplify right side
    394,785.73x = 98,969,085,797.93
  5. Step 5: Solve for x
    x = 98,969,085,797.93/394,785.73
  6. Step 6: Final answer
    x = 250,690.64

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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.