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Finding the Fourth Proportional to 259,795.80, 389,693.70 and 244,049.40

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Solution

The fourth proportional to 259,795.80, 389,693.70 and 244,049.40 is: 366,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,795.80 : 389,693.70 = 244,049.40 : x
  2. Step 2: Convert to fraction form
    259,795.80/389,693.70 = 244,049.40/x
  3. Step 3: Cross multiply
    259,795.80x = 389,693.70 × 244,049.40
  4. Step 4: Simplify right side
    259,795.80x = 95,104,513,668.78
  5. Step 5: Solve for x
    x = 95,104,513,668.78/259,795.80
  6. Step 6: Final answer
    x = 366,074.10

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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.