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Finding the Fourth Proportional to 273,662.88, 410,494.32 and 218,608.80

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Solution

The fourth proportional to 273,662.88, 410,494.32 and 218,608.80 is: 327,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,662.88 : 410,494.32 = 218,608.80 : x
  2. Step 2: Convert to fraction form
    273,662.88/410,494.32 = 218,608.80/x
  3. Step 3: Cross multiply
    273,662.88x = 410,494.32 × 218,608.80
  4. Step 4: Simplify right side
    273,662.88x = 89,737,670,702.02
  5. Step 5: Solve for x
    x = 89,737,670,702.02/273,662.88
  6. Step 6: Final answer
    x = 327,913.20

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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.