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Finding the Fourth Proportional to 561,843.48, 842,789.82 and 162,524.61

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Solution

The fourth proportional to 561,843.48, 842,789.82 and 162,524.61 is: 243,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,843.48 : 842,789.82 = 162,524.61 : x
  2. Step 2: Convert to fraction form
    561,843.48/842,789.82 = 162,524.61/x
  3. Step 3: Cross multiply
    561,843.48x = 842,789.82 × 162,524.61
  4. Step 4: Simplify right side
    561,843.48x = 136,974,086,807.47
  5. Step 5: Solve for x
    x = 136,974,086,807.47/561,843.48
  6. Step 6: Final answer
    x = 243,794.03

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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.