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Finding the Fourth Proportional to 493,575.92, 740,668.48 and 194,003.92

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Solution

The fourth proportional to 493,575.92, 740,668.48 and 194,003.92 is: 291,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,575.92 : 740,668.48 = 194,003.92 : x
  2. Step 2: Convert to fraction form
    493,575.92/740,668.48 = 194,003.92/x
  3. Step 3: Cross multiply
    493,575.92x = 740,668.48 × 194,003.92
  4. Step 4: Simplify right side
    493,575.92x = 143,692,588,540.44
  5. Step 5: Solve for x
    x = 143,692,588,540.44/493,575.92
  6. Step 6: Final answer
    x = 291,125.61

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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.