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Finding the Fourth Proportional to 835,897.34, 1,253,846.03 and 204,805.69

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Solution

The fourth proportional to 835,897.34, 1,253,846.03 and 204,805.69 is: 307,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,897.34 : 1,253,846.03 = 204,805.69 : x
  2. Step 2: Convert to fraction form
    835,897.34/1,253,846.03 = 204,805.69/x
  3. Step 3: Cross multiply
    835,897.34x = 1,253,846.03 × 204,805.69
  4. Step 4: Simplify right side
    835,897.34x = 256,794,797,169.27
  5. Step 5: Solve for x
    x = 256,794,797,169.27/835,897.34
  6. Step 6: Final answer
    x = 307,208.53

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Double scale
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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.