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Finding the Fourth Proportional to 300,881.28, 451,265.12 and 151,080.96

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Solution

The fourth proportional to 300,881.28, 451,265.12 and 151,080.96 is: 226,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,881.28 : 451,265.12 = 151,080.96 : x
  2. Step 2: Convert to fraction form
    300,881.28/451,265.12 = 151,080.96/x
  3. Step 3: Cross multiply
    300,881.28x = 451,265.12 × 151,080.96
  4. Step 4: Simplify right side
    300,881.28x = 68,177,567,544.12
  5. Step 5: Solve for x
    x = 68,177,567,544.12/300,881.28
  6. Step 6: Final answer
    x = 226,592.92

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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.