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Finding the Fourth Proportional to 481,493.54, 722,238.54 and 144,532.73

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Solution

The fourth proportional to 481,493.54, 722,238.54 and 144,532.73 is: 216,798.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,493.54 : 722,238.54 = 144,532.73 : x
  2. Step 2: Convert to fraction form
    481,493.54/722,238.54 = 144,532.73/x
  3. Step 3: Cross multiply
    481,493.54x = 722,238.54 × 144,532.73
  4. Step 4: Simplify right side
    481,493.54x = 104,387,104,286.22
  5. Step 5: Solve for x
    x = 104,387,104,286.22/481,493.54
  6. Step 6: Final answer
    x = 216,798.56

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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.