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Finding the Fourth Proportional to 344,866.12, 475,915.14 and 193,963

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Solution

The fourth proportional to 344,866.12, 475,915.14 and 193,963 is: 267,668.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,866.12 : 475,915.14 = 193,963 : x
  2. Step 2: Convert to fraction form
    344,866.12/475,915.14 = 193,963/x
  3. Step 3: Cross multiply
    344,866.12x = 475,915.14 × 193,963
  4. Step 4: Simplify right side
    344,866.12x = 92,309,928,299.82
  5. Step 5: Solve for x
    x = 92,309,928,299.82/344,866.12
  6. Step 6: Final answer
    x = 267,668.88

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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.