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Finding the Fourth Proportional to 404,405.24, 606,180.84 and 151,520.48

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Solution

The fourth proportional to 404,405.24, 606,180.84 and 151,520.48 is: 227,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,405.24 : 606,180.84 = 151,520.48 : x
  2. Step 2: Convert to fraction form
    404,405.24/606,180.84 = 151,520.48/x
  3. Step 3: Cross multiply
    404,405.24x = 606,180.84 × 151,520.48
  4. Step 4: Simplify right side
    404,405.24x = 91,848,811,843.60
  5. Step 5: Solve for x
    x = 91,848,811,843.60/404,405.24
  6. Step 6: Final answer
    x = 227,120.73

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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.