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Finding the Fourth Proportional to 605,040.52, 907,560.96 and 225,991.12

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Solution

The fourth proportional to 605,040.52, 907,560.96 and 225,991.12 is: 338,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,040.52 : 907,560.96 = 225,991.12 : x
  2. Step 2: Convert to fraction form
    605,040.52/907,560.96 = 225,991.12/x
  3. Step 3: Cross multiply
    605,040.52x = 907,560.96 × 225,991.12
  4. Step 4: Simplify right side
    605,040.52x = 205,100,717,818.68
  5. Step 5: Solve for x
    x = 205,100,717,818.68/605,040.52
  6. Step 6: Final answer
    x = 338,986.75

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Similar ratio
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1.5x scale

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.