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Finding the Fourth Proportional to 664,890.72, 996,744.48 and 244,068

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Solution

The fourth proportional to 664,890.72, 996,744.48 and 244,068 is: 365,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,890.72 : 996,744.48 = 244,068 : x
  2. Step 2: Convert to fraction form
    664,890.72/996,744.48 = 244,068/x
  3. Step 3: Cross multiply
    664,890.72x = 996,744.48 × 244,068
  4. Step 4: Simplify right side
    664,890.72x = 243,273,431,744.64
  5. Step 5: Solve for x
    x = 243,273,431,744.64/664,890.72
  6. Step 6: Final answer
    x = 365,884.84

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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.