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Finding the Fourth Proportional to 231,716.60, 324,869.80 and 231,716.60

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Solution

The fourth proportional to 231,716.60, 324,869.80 and 231,716.60 is: 324,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,716.60 : 324,869.80 = 231,716.60 : x
  2. Step 2: Convert to fraction form
    231,716.60/324,869.80 = 231,716.60/x
  3. Step 3: Cross multiply
    231,716.60x = 324,869.80 × 231,716.60
  4. Step 4: Simplify right side
    231,716.60x = 75,277,725,498.68
  5. Step 5: Solve for x
    x = 75,277,725,498.68/231,716.60
  6. Step 6: Final answer
    x = 324,869.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.