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Finding the Fourth Proportional to 484,874.87, 669,142.53 and 267,099.33

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Solution

The fourth proportional to 484,874.87, 669,142.53 and 267,099.33 is: 368,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,874.87 : 669,142.53 = 267,099.33 : x
  2. Step 2: Convert to fraction form
    484,874.87/669,142.53 = 267,099.33/x
  3. Step 3: Cross multiply
    484,874.87x = 669,142.53 × 267,099.33
  4. Step 4: Simplify right side
    484,874.87x = 178,727,522,816.04
  5. Step 5: Solve for x
    x = 178,727,522,816.04/484,874.87
  6. Step 6: Final answer
    x = 368,605.46

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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.