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Finding the Fourth Proportional to 481,994.91, 722,993.37 and 197,633.07

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Solution

The fourth proportional to 481,994.91, 722,993.37 and 197,633.07 is: 296,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,994.91 : 722,993.37 = 197,633.07 : x
  2. Step 2: Convert to fraction form
    481,994.91/722,993.37 = 197,633.07/x
  3. Step 3: Cross multiply
    481,994.91x = 722,993.37 × 197,633.07
  4. Step 4: Simplify right side
    481,994.91x = 142,887,399,302.75
  5. Step 5: Solve for x
    x = 142,887,399,302.75/481,994.91
  6. Step 6: Final answer
    x = 296,450.02

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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.