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Finding the Fourth Proportional to 297,817.80, 447,072.30 and 179,622.60

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Solution

The fourth proportional to 297,817.80, 447,072.30 and 179,622.60 is: 269,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,817.80 : 447,072.30 = 179,622.60 : x
  2. Step 2: Convert to fraction form
    297,817.80/447,072.30 = 179,622.60/x
  3. Step 3: Cross multiply
    297,817.80x = 447,072.30 × 179,622.60
  4. Step 4: Simplify right side
    297,817.80x = 80,304,288,913.98
  5. Step 5: Solve for x
    x = 80,304,288,913.98/297,817.80
  6. Step 6: Final answer
    x = 269,642.34

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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.