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Finding the Fourth Proportional to 350,755.44, 484,042.56 and 189,610

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Solution

The fourth proportional to 350,755.44, 484,042.56 and 189,610 is: 261,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,755.44 : 484,042.56 = 189,610 : x
  2. Step 2: Convert to fraction form
    350,755.44/484,042.56 = 189,610/x
  3. Step 3: Cross multiply
    350,755.44x = 484,042.56 × 189,610
  4. Step 4: Simplify right side
    350,755.44x = 91,779,309,801.60
  5. Step 5: Solve for x
    x = 91,779,309,801.60/350,755.44
  6. Step 6: Final answer
    x = 261,661.83

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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.