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Finding the Fourth Proportional to 394,601.44, 592,051.20 and 236,939.44

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Solution

The fourth proportional to 394,601.44, 592,051.20 and 236,939.44 is: 355,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,601.44 : 592,051.20 = 236,939.44 : x
  2. Step 2: Convert to fraction form
    394,601.44/592,051.20 = 236,939.44/x
  3. Step 3: Cross multiply
    394,601.44x = 592,051.20 × 236,939.44
  4. Step 4: Simplify right side
    394,601.44x = 140,280,279,779.33
  5. Step 5: Solve for x
    x = 140,280,279,779.33/394,601.44
  6. Step 6: Final answer
    x = 355,498.65

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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.