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Finding the Fourth Proportional to 300,731.26, 451,104.21 and 101,054.54

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Solution

The fourth proportional to 300,731.26, 451,104.21 and 101,054.54 is: 151,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,731.26 : 451,104.21 = 101,054.54 : x
  2. Step 2: Convert to fraction form
    300,731.26/451,104.21 = 101,054.54/x
  3. Step 3: Cross multiply
    300,731.26x = 451,104.21 × 101,054.54
  4. Step 4: Simplify right side
    300,731.26x = 45,586,128,433.61
  5. Step 5: Solve for x
    x = 45,586,128,433.61/300,731.26
  6. Step 6: Final answer
    x = 151,584.27

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1.5x scale

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.