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Finding the Fourth Proportional to 323,418.24, 485,348.76 and 113,056.56

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Solution

The fourth proportional to 323,418.24, 485,348.76 and 113,056.56 is: 169,662.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,418.24 : 485,348.76 = 113,056.56 : x
  2. Step 2: Convert to fraction form
    323,418.24/485,348.76 = 113,056.56/x
  3. Step 3: Cross multiply
    323,418.24x = 485,348.76 × 113,056.56
  4. Step 4: Simplify right side
    323,418.24x = 54,871,861,205.87
  5. Step 5: Solve for x
    x = 54,871,861,205.87/323,418.24
  6. Step 6: Final answer
    x = 169,662.23

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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.