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Finding the Fourth Proportional to 337,243.48, 505,717.58 and 100,539

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Solution

The fourth proportional to 337,243.48, 505,717.58 and 100,539 is: 150,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,243.48 : 505,717.58 = 100,539 : x
  2. Step 2: Convert to fraction form
    337,243.48/505,717.58 = 100,539/x
  3. Step 3: Cross multiply
    337,243.48x = 505,717.58 × 100,539
  4. Step 4: Simplify right side
    337,243.48x = 50,844,339,775.62
  5. Step 5: Solve for x
    x = 50,844,339,775.62/337,243.48
  6. Step 6: Final answer
    x = 150,764.49

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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.