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Finding the Fourth Proportional to 659,277.33, 988,954.26 and 254,471.85

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Solution

The fourth proportional to 659,277.33, 988,954.26 and 254,471.85 is: 381,722.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,277.33 : 988,954.26 = 254,471.85 : x
  2. Step 2: Convert to fraction form
    659,277.33/988,954.26 = 254,471.85/x
  3. Step 3: Cross multiply
    659,277.33x = 988,954.26 × 254,471.85
  4. Step 4: Simplify right side
    659,277.33x = 251,661,020,107.58
  5. Step 5: Solve for x
    x = 251,661,020,107.58/659,277.33
  6. Step 6: Final answer
    x = 381,722.54

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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.