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Finding the Fourth Proportional to 299,846.96, 449,605.70 and 147,709.27

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Solution

The fourth proportional to 299,846.96, 449,605.70 and 147,709.27 is: 221,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,846.96 : 449,605.70 = 147,709.27 : x
  2. Step 2: Convert to fraction form
    299,846.96/449,605.70 = 147,709.27/x
  3. Step 3: Cross multiply
    299,846.96x = 449,605.70 × 147,709.27
  4. Step 4: Simplify right side
    299,846.96x = 66,410,930,858.85
  5. Step 5: Solve for x
    x = 66,410,930,858.85/299,846.96
  6. Step 6: Final answer
    x = 221,482.76

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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.