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Finding the Fourth Proportional to 644,770.82, 967,281.07 and 245,380.88

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Solution

The fourth proportional to 644,770.82, 967,281.07 and 245,380.88 is: 368,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,770.82 : 967,281.07 = 245,380.88 : x
  2. Step 2: Convert to fraction form
    644,770.82/967,281.07 = 245,380.88/x
  3. Step 3: Cross multiply
    644,770.82x = 967,281.07 × 245,380.88
  4. Step 4: Simplify right side
    644,770.82x = 237,352,280,163.94
  5. Step 5: Solve for x
    x = 237,352,280,163.94/644,770.82
  6. Step 6: Final answer
    x = 368,118.83

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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.