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Finding the Fourth Proportional to 573,021.48, 858,997.86 and 193,676.88

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Solution

The fourth proportional to 573,021.48, 858,997.86 and 193,676.88 is: 290,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,021.48 : 858,997.86 = 193,676.88 : x
  2. Step 2: Convert to fraction form
    573,021.48/858,997.86 = 193,676.88/x
  3. Step 3: Cross multiply
    573,021.48x = 858,997.86 × 193,676.88
  4. Step 4: Simplify right side
    573,021.48x = 166,368,025,451.48
  5. Step 5: Solve for x
    x = 166,368,025,451.48/573,021.48
  6. Step 6: Final answer
    x = 290,334.71

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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.