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Finding the Fourth Proportional to 565,997.91, 848,996.87 and 145,273.79

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Solution

The fourth proportional to 565,997.91, 848,996.87 and 145,273.79 is: 217,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,997.91 : 848,996.87 = 145,273.79 : x
  2. Step 2: Convert to fraction form
    565,997.91/848,996.87 = 145,273.79/x
  3. Step 3: Cross multiply
    565,997.91x = 848,996.87 × 145,273.79
  4. Step 4: Simplify right side
    565,997.91x = 123,336,988,031.68
  5. Step 5: Solve for x
    x = 123,336,988,031.68/565,997.91
  6. Step 6: Final answer
    x = 217,910.68

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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.