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Finding the Fourth Proportional to 300,801.32, 451,229.84 and 98,398.56

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Solution

The fourth proportional to 300,801.32, 451,229.84 and 98,398.56 is: 147,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,801.32 : 451,229.84 = 98,398.56 : x
  2. Step 2: Convert to fraction form
    300,801.32/451,229.84 = 98,398.56/x
  3. Step 3: Cross multiply
    300,801.32x = 451,229.84 × 98,398.56
  4. Step 4: Simplify right side
    300,801.32x = 44,400,366,485.03
  5. Step 5: Solve for x
    x = 44,400,366,485.03/300,801.32
  6. Step 6: Final answer
    x = 147,606.95

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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.