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Finding the Fourth Proportional to 382,105.87, 526,750.36 and 267,027.23

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Solution

The fourth proportional to 382,105.87, 526,750.36 and 267,027.23 is: 368,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,105.87 : 526,750.36 = 267,027.23 : x
  2. Step 2: Convert to fraction form
    382,105.87/526,750.36 = 267,027.23/x
  3. Step 3: Cross multiply
    382,105.87x = 526,750.36 × 267,027.23
  4. Step 4: Simplify right side
    382,105.87x = 140,656,690,181.61
  5. Step 5: Solve for x
    x = 140,656,690,181.61/382,105.87
  6. Step 6: Final answer
    x = 368,109.21

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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.