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Finding the Fourth Proportional to 494,651.48, 741,990 and 134,825.30

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Solution

The fourth proportional to 494,651.48, 741,990 and 134,825.30 is: 202,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,651.48 : 741,990 = 134,825.30 : x
  2. Step 2: Convert to fraction form
    494,651.48/741,990 = 134,825.30/x
  3. Step 3: Cross multiply
    494,651.48x = 741,990 × 134,825.30
  4. Step 4: Simplify right side
    494,651.48x = 100,039,024,347.00
  5. Step 5: Solve for x
    x = 100,039,024,347.00/494,651.48
  6. Step 6: Final answer
    x = 202,241.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.