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Finding the Fourth Proportional to 231,708.60, 348,081.30 and 222,262.20

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Solution

The fourth proportional to 231,708.60, 348,081.30 and 222,262.20 is: 333,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,708.60 : 348,081.30 = 222,262.20 : x
  2. Step 2: Convert to fraction form
    231,708.60/348,081.30 = 222,262.20/x
  3. Step 3: Cross multiply
    231,708.60x = 348,081.30 × 222,262.20
  4. Step 4: Simplify right side
    231,708.60x = 77,365,315,516.86
  5. Step 5: Solve for x
    x = 77,365,315,516.86/231,708.60
  6. Step 6: Final answer
    x = 333,890.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.