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Finding the Fourth Proportional to 481,892.40, 722,320.20 and 182,257.20

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Solution

The fourth proportional to 481,892.40, 722,320.20 and 182,257.20 is: 273,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,892.40 : 722,320.20 = 182,257.20 : x
  2. Step 2: Convert to fraction form
    481,892.40/722,320.20 = 182,257.20/x
  3. Step 3: Cross multiply
    481,892.40x = 722,320.20 × 182,257.20
  4. Step 4: Simplify right side
    481,892.40x = 131,648,057,155.44
  5. Step 5: Solve for x
    x = 131,648,057,155.44/481,892.40
  6. Step 6: Final answer
    x = 273,189.74

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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.