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Finding the Fourth Proportional to 481,998.44, 723,007.26 and 339,259.88

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Solution

The fourth proportional to 481,998.44, 723,007.26 and 339,259.88 is: 508,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,998.44 : 723,007.26 = 339,259.88 : x
  2. Step 2: Convert to fraction form
    481,998.44/723,007.26 = 339,259.88/x
  3. Step 3: Cross multiply
    481,998.44x = 723,007.26 × 339,259.88
  4. Step 4: Simplify right side
    481,998.44x = 245,287,356,266.73
  5. Step 5: Solve for x
    x = 245,287,356,266.73/481,998.44
  6. Step 6: Final answer
    x = 508,896.58

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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.