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Finding the Fourth Proportional to 579,883.56, 800,239.06 and 338,119.44

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Solution

The fourth proportional to 579,883.56, 800,239.06 and 338,119.44 is: 466,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,883.56 : 800,239.06 = 338,119.44 : x
  2. Step 2: Convert to fraction form
    579,883.56/800,239.06 = 338,119.44/x
  3. Step 3: Cross multiply
    579,883.56x = 800,239.06 × 338,119.44
  4. Step 4: Simplify right side
    579,883.56x = 270,576,382,833.33
  5. Step 5: Solve for x
    x = 270,576,382,833.33/579,883.56
  6. Step 6: Final answer
    x = 466,604.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.