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Finding the Fourth Proportional to 496,387.26, 744,790.89 and 271,485.14

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Solution

The fourth proportional to 496,387.26, 744,790.89 and 271,485.14 is: 407,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,387.26 : 744,790.89 = 271,485.14 : x
  2. Step 2: Convert to fraction form
    496,387.26/744,790.89 = 271,485.14/x
  3. Step 3: Cross multiply
    496,387.26x = 744,790.89 × 271,485.14
  4. Step 4: Simplify right side
    496,387.26x = 202,199,659,042.38
  5. Step 5: Solve for x
    x = 202,199,659,042.38/496,387.26
  6. Step 6: Final answer
    x = 407,342.56

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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.