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Finding the Fourth Proportional to 427,842.44, 590,553.89 and 246,675.31

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Solution

The fourth proportional to 427,842.44, 590,553.89 and 246,675.31 is: 340,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,842.44 : 590,553.89 = 246,675.31 : x
  2. Step 2: Convert to fraction form
    427,842.44/590,553.89 = 246,675.31/x
  3. Step 3: Cross multiply
    427,842.44x = 590,553.89 × 246,675.31
  4. Step 4: Simplify right side
    427,842.44x = 145,675,062,102.73
  5. Step 5: Solve for x
    x = 145,675,062,102.73/427,842.44
  6. Step 6: Final answer
    x = 340,487.64

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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.