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Finding the Fourth Proportional to 324,810.60, 486,827.10 and 166,957.80

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Solution

The fourth proportional to 324,810.60, 486,827.10 and 166,957.80 is: 250,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,810.60 : 486,827.10 = 166,957.80 : x
  2. Step 2: Convert to fraction form
    324,810.60/486,827.10 = 166,957.80/x
  3. Step 3: Cross multiply
    324,810.60x = 486,827.10 × 166,957.80
  4. Step 4: Simplify right side
    324,810.60x = 81,279,581,596.38
  5. Step 5: Solve for x
    x = 81,279,581,596.38/324,810.60
  6. Step 6: Final answer
    x = 250,236.85

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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.