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Finding the Fourth Proportional to 408,237.96, 612,744.66 and 250,773.96

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Solution

The fourth proportional to 408,237.96, 612,744.66 and 250,773.96 is: 376,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,237.96 : 612,744.66 = 250,773.96 : x
  2. Step 2: Convert to fraction form
    408,237.96/612,744.66 = 250,773.96/x
  3. Step 3: Cross multiply
    408,237.96x = 612,744.66 × 250,773.96
  4. Step 4: Simplify right side
    408,237.96x = 153,660,404,857.05
  5. Step 5: Solve for x
    x = 153,660,404,857.05/408,237.96
  6. Step 6: Final answer
    x = 376,399.11

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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.