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Finding the Fourth Proportional to 494,059.72, 681,803.58 and 267,705.22

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Solution

The fourth proportional to 494,059.72, 681,803.58 and 267,705.22 is: 369,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,059.72 : 681,803.58 = 267,705.22 : x
  2. Step 2: Convert to fraction form
    494,059.72/681,803.58 = 267,705.22/x
  3. Step 3: Cross multiply
    494,059.72x = 681,803.58 × 267,705.22
  4. Step 4: Simplify right side
    494,059.72x = 182,522,377,380.69
  5. Step 5: Solve for x
    x = 182,522,377,380.69/494,059.72
  6. Step 6: Final answer
    x = 369,433.84

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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.