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Finding the Fourth Proportional to 339,040.89, 467,760.28 and 193,742.28

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Solution

The fourth proportional to 339,040.89, 467,760.28 and 193,742.28 is: 267,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,040.89 : 467,760.28 = 193,742.28 : x
  2. Step 2: Convert to fraction form
    339,040.89/467,760.28 = 193,742.28/x
  3. Step 3: Cross multiply
    339,040.89x = 467,760.28 × 193,742.28
  4. Step 4: Simplify right side
    339,040.89x = 90,624,943,140.64
  5. Step 5: Solve for x
    x = 90,624,943,140.64/339,040.89
  6. Step 6: Final answer
    x = 267,297.97

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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.