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Finding the Fourth Proportional to 481,744.31, 722,628.24 and 161,900.88

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Solution

The fourth proportional to 481,744.31, 722,628.24 and 161,900.88 is: 242,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,744.31 : 722,628.24 = 161,900.88 : x
  2. Step 2: Convert to fraction form
    481,744.31/722,628.24 = 161,900.88/x
  3. Step 3: Cross multiply
    481,744.31x = 722,628.24 × 161,900.88
  4. Step 4: Simplify right side
    481,744.31x = 116,994,144,651.87
  5. Step 5: Solve for x
    x = 116,994,144,651.87/481,744.31
  6. Step 6: Final answer
    x = 242,855.27

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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.