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Finding the Fourth Proportional to 441,615.48, 662,520.96 and 161,131.92

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Solution

The fourth proportional to 441,615.48, 662,520.96 and 161,131.92 is: 241,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,615.48 : 662,520.96 = 161,131.92 : x
  2. Step 2: Convert to fraction form
    441,615.48/662,520.96 = 161,131.92/x
  3. Step 3: Cross multiply
    441,615.48x = 662,520.96 × 161,131.92
  4. Step 4: Simplify right side
    441,615.48x = 106,753,274,325.04
  5. Step 5: Solve for x
    x = 106,753,274,325.04/441,615.48
  6. Step 6: Final answer
    x = 241,733.54

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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.