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Finding the Fourth Proportional to 300,687.66, 450,705.42 and 150,566.04

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Solution

The fourth proportional to 300,687.66, 450,705.42 and 150,566.04 is: 225,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,687.66 : 450,705.42 = 150,566.04 : x
  2. Step 2: Convert to fraction form
    300,687.66/450,705.42 = 150,566.04/x
  3. Step 3: Cross multiply
    300,687.66x = 450,705.42 × 150,566.04
  4. Step 4: Simplify right side
    300,687.66x = 67,860,930,295.94
  5. Step 5: Solve for x
    x = 67,860,930,295.94/300,687.66
  6. Step 6: Final answer
    x = 225,685.78

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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.