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Finding the Fourth Proportional to 496,165.06, 743,391.60 and 271,687.06

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Solution

The fourth proportional to 496,165.06, 743,391.60 and 271,687.06 is: 407,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,165.06 : 743,391.60 = 271,687.06 : x
  2. Step 2: Convert to fraction form
    496,165.06/743,391.60 = 271,687.06/x
  3. Step 3: Cross multiply
    496,165.06x = 743,391.60 × 271,687.06
  4. Step 4: Simplify right side
    496,165.06x = 201,969,878,232.70
  5. Step 5: Solve for x
    x = 201,969,878,232.70/496,165.06
  6. Step 6: Final answer
    x = 407,061.87

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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.