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Finding the Fourth Proportional to 482,399.24, 723,709.08 and 166,855.88

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Solution

The fourth proportional to 482,399.24, 723,709.08 and 166,855.88 is: 250,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,399.24 : 723,709.08 = 166,855.88 : x
  2. Step 2: Convert to fraction form
    482,399.24/723,709.08 = 166,855.88/x
  3. Step 3: Cross multiply
    482,399.24x = 723,709.08 × 166,855.88
  4. Step 4: Simplify right side
    482,399.24x = 120,755,115,407.39
  5. Step 5: Solve for x
    x = 120,755,115,407.39/482,399.24
  6. Step 6: Final answer
    x = 250,321.94

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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.