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Finding the Fourth Proportional to 408,844.80, 613,267.20 and 184,458.60

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Solution

The fourth proportional to 408,844.80, 613,267.20 and 184,458.60 is: 276,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,844.80 : 613,267.20 = 184,458.60 : x
  2. Step 2: Convert to fraction form
    408,844.80/613,267.20 = 184,458.60/x
  3. Step 3: Cross multiply
    408,844.80x = 613,267.20 × 184,458.60
  4. Step 4: Simplify right side
    408,844.80x = 113,122,409,137.92
  5. Step 5: Solve for x
    x = 113,122,409,137.92/408,844.80
  6. Step 6: Final answer
    x = 276,687.90

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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.