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Finding the Fourth Proportional to 603,685.71, 905,659.25 and 182,993.31

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Solution

The fourth proportional to 603,685.71, 905,659.25 and 182,993.31 is: 274,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,685.71 : 905,659.25 = 182,993.31 : x
  2. Step 2: Convert to fraction form
    603,685.71/905,659.25 = 182,993.31/x
  3. Step 3: Cross multiply
    603,685.71x = 905,659.25 × 182,993.31
  4. Step 4: Simplify right side
    603,685.71x = 165,729,582,974.65
  5. Step 5: Solve for x
    x = 165,729,582,974.65/603,685.71
  6. Step 6: Final answer
    x = 274,529.58

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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.