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Finding the Fourth Proportional to 303,469.20, 455,253.04 and 113,944.48

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Solution

The fourth proportional to 303,469.20, 455,253.04 and 113,944.48 is: 170,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,469.20 : 455,253.04 = 113,944.48 : x
  2. Step 2: Convert to fraction form
    303,469.20/455,253.04 = 113,944.48/x
  3. Step 3: Cross multiply
    303,469.20x = 455,253.04 × 113,944.48
  4. Step 4: Simplify right side
    303,469.20x = 51,873,570,911.22
  5. Step 5: Solve for x
    x = 51,873,570,911.22/303,469.20
  6. Step 6: Final answer
    x = 170,935.21

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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.