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Finding the Fourth Proportional to 400,708.76, 600,109.05 and 231,873.27

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Solution

The fourth proportional to 400,708.76, 600,109.05 and 231,873.27 is: 347,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,708.76 : 600,109.05 = 231,873.27 : x
  2. Step 2: Convert to fraction form
    400,708.76/600,109.05 = 231,873.27/x
  3. Step 3: Cross multiply
    400,708.76x = 600,109.05 × 231,873.27
  4. Step 4: Simplify right side
    400,708.76x = 139,149,245,359.23
  5. Step 5: Solve for x
    x = 139,149,245,359.23/400,708.76
  6. Step 6: Final answer
    x = 347,257.81

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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.