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Finding the Fourth Proportional to 427,817.13, 590,449.41 and 246,494.31

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Solution

The fourth proportional to 427,817.13, 590,449.41 and 246,494.31 is: 340,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,817.13 : 590,449.41 = 246,494.31 : x
  2. Step 2: Convert to fraction form
    427,817.13/590,449.41 = 246,494.31/x
  3. Step 3: Cross multiply
    427,817.13x = 590,449.41 × 246,494.31
  4. Step 4: Simplify right side
    427,817.13x = 145,542,419,907.86
  5. Step 5: Solve for x
    x = 145,542,419,907.86/427,817.13
  6. Step 6: Final answer
    x = 340,197.74

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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.