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Finding the Fourth Proportional to 422,735.75, 583,437.66 and 267,701.19

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Solution

The fourth proportional to 422,735.75, 583,437.66 and 267,701.19 is: 369,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,735.75 : 583,437.66 = 267,701.19 : x
  2. Step 2: Convert to fraction form
    422,735.75/583,437.66 = 267,701.19/x
  3. Step 3: Cross multiply
    422,735.75x = 583,437.66 × 267,701.19
  4. Step 4: Simplify right side
    422,735.75x = 156,186,951,617.12
  5. Step 5: Solve for x
    x = 156,186,951,617.12/422,735.75
  6. Step 6: Final answer
    x = 369,467.10

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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.