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Finding the Fourth Proportional to 324,794.60, 486,803.10 and 166,941.80

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Solution

The fourth proportional to 324,794.60, 486,803.10 and 166,941.80 is: 250,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,794.60 : 486,803.10 = 166,941.80 : x
  2. Step 2: Convert to fraction form
    324,794.60/486,803.10 = 166,941.80/x
  3. Step 3: Cross multiply
    324,794.60x = 486,803.10 × 166,941.80
  4. Step 4: Simplify right side
    324,794.60x = 81,267,785,759.58
  5. Step 5: Solve for x
    x = 81,267,785,759.58/324,794.60
  6. Step 6: Final answer
    x = 250,212.86

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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.