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Finding the Fourth Proportional to 259,769.80, 389,654.70 and 244,023.40

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Solution

The fourth proportional to 259,769.80, 389,654.70 and 244,023.40 is: 366,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,769.80 : 389,654.70 = 244,023.40 : x
  2. Step 2: Convert to fraction form
    259,769.80/389,654.70 = 244,023.40/x
  3. Step 3: Cross multiply
    259,769.80x = 389,654.70 × 244,023.40
  4. Step 4: Simplify right side
    259,769.80x = 95,084,864,719.98
  5. Step 5: Solve for x
    x = 95,084,864,719.98/259,769.80
  6. Step 6: Final answer
    x = 366,035.10

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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.