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Finding the Fourth Proportional to 469,757.73, 703,729.62 and 280,369.29

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Solution

The fourth proportional to 469,757.73, 703,729.62 and 280,369.29 is: 420,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,757.73 : 703,729.62 = 280,369.29 : x
  2. Step 2: Convert to fraction form
    469,757.73/703,729.62 = 280,369.29/x
  3. Step 3: Cross multiply
    469,757.73x = 703,729.62 × 280,369.29
  4. Step 4: Simplify right side
    469,757.73x = 197,304,173,911.37
  5. Step 5: Solve for x
    x = 197,304,173,911.37/469,757.73
  6. Step 6: Final answer
    x = 420,012.62

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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.