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Finding the Fourth Proportional to 339,512.53, 468,351.60 and 230,622.48

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Solution

The fourth proportional to 339,512.53, 468,351.60 and 230,622.48 is: 318,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,512.53 : 468,351.60 = 230,622.48 : x
  2. Step 2: Convert to fraction form
    339,512.53/468,351.60 = 230,622.48/x
  3. Step 3: Cross multiply
    339,512.53x = 468,351.60 × 230,622.48
  4. Step 4: Simplify right side
    339,512.53x = 108,012,407,503.97
  5. Step 5: Solve for x
    x = 108,012,407,503.97/339,512.53
  6. Step 6: Final answer
    x = 318,139.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.