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Finding the Fourth Proportional to 273,003.30, 408,520.80 and 184,429.80

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Solution

The fourth proportional to 273,003.30, 408,520.80 and 184,429.80 is: 275,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,003.30 : 408,520.80 = 184,429.80 : x
  2. Step 2: Convert to fraction form
    273,003.30/408,520.80 = 184,429.80/x
  3. Step 3: Cross multiply
    273,003.30x = 408,520.80 × 184,429.80
  4. Step 4: Simplify right side
    273,003.30x = 75,343,409,439.84
  5. Step 5: Solve for x
    x = 75,343,409,439.84/273,003.30
  6. Step 6: Final answer
    x = 275,979.85

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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.