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Finding the Fourth Proportional to 395,904.20, 594,002.10 and 159,416.60

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Solution

The fourth proportional to 395,904.20, 594,002.10 and 159,416.60 is: 239,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,904.20 : 594,002.10 = 159,416.60 : x
  2. Step 2: Convert to fraction form
    395,904.20/594,002.10 = 159,416.60/x
  3. Step 3: Cross multiply
    395,904.20x = 594,002.10 × 159,416.60
  4. Step 4: Simplify right side
    395,904.20x = 94,693,795,174.86
  5. Step 5: Solve for x
    x = 94,693,795,174.86/395,904.20
  6. Step 6: Final answer
    x = 239,183.61

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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.