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Finding the Fourth Proportional to 339,359.64, 468,264.15 and 196,091.88

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Solution

The fourth proportional to 339,359.64, 468,264.15 and 196,091.88 is: 270,576.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,359.64 : 468,264.15 = 196,091.88 : x
  2. Step 2: Convert to fraction form
    339,359.64/468,264.15 = 196,091.88/x
  3. Step 3: Cross multiply
    339,359.64x = 468,264.15 × 196,091.88
  4. Step 4: Simplify right side
    339,359.64x = 91,822,797,510.10
  5. Step 5: Solve for x
    x = 91,822,797,510.10/339,359.64
  6. Step 6: Final answer
    x = 270,576.66

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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.