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Finding the Fourth Proportional to 481,496.42, 722,227.34 and 181,964.90

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Solution

The fourth proportional to 481,496.42, 722,227.34 and 181,964.90 is: 272,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,496.42 : 722,227.34 = 181,964.90 : x
  2. Step 2: Convert to fraction form
    481,496.42/722,227.34 = 181,964.90/x
  3. Step 3: Cross multiply
    481,496.42x = 722,227.34 × 181,964.90
  4. Step 4: Simplify right side
    481,496.42x = 131,420,025,700.37
  5. Step 5: Solve for x
    x = 131,420,025,700.37/481,496.42
  6. Step 6: Final answer
    x = 272,940.82

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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.