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Finding the Fourth Proportional to 300,951.24, 451,422.36 and 73,247.64

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Solution

The fourth proportional to 300,951.24, 451,422.36 and 73,247.64 is: 109,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,951.24 : 451,422.36 = 73,247.64 : x
  2. Step 2: Convert to fraction form
    300,951.24/451,422.36 = 73,247.64/x
  3. Step 3: Cross multiply
    300,951.24x = 451,422.36 × 73,247.64
  4. Step 4: Simplify right side
    300,951.24x = 33,065,622,513.23
  5. Step 5: Solve for x
    x = 33,065,622,513.23/300,951.24
  6. Step 6: Final answer
    x = 109,870.36

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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.