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Finding the Fourth Proportional to 517,249.78, 775,936.83 and 171,044.92

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Solution

The fourth proportional to 517,249.78, 775,936.83 and 171,044.92 is: 256,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,249.78 : 775,936.83 = 171,044.92 : x
  2. Step 2: Convert to fraction form
    517,249.78/775,936.83 = 171,044.92/x
  3. Step 3: Cross multiply
    517,249.78x = 775,936.83 × 171,044.92
  4. Step 4: Simplify right side
    517,249.78x = 132,720,049,132.72
  5. Step 5: Solve for x
    x = 132,720,049,132.72/517,249.78
  6. Step 6: Final answer
    x = 256,587.93

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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.