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Finding the Fourth Proportional to 422,735.25, 583,436.97 and 267,700.69

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Solution

The fourth proportional to 422,735.25, 583,436.97 and 267,700.69 is: 369,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,735.25 : 583,436.97 = 267,700.69 : x
  2. Step 2: Convert to fraction form
    422,735.25/583,436.97 = 267,700.69/x
  3. Step 3: Cross multiply
    422,735.25x = 583,436.97 × 267,700.69
  4. Step 4: Simplify right side
    422,735.25x = 156,186,475,184.82
  5. Step 5: Solve for x
    x = 156,186,475,184.82/422,735.25
  6. Step 6: Final answer
    x = 369,466.41

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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.