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Finding the Fourth Proportional to 395,809.29, 594,508.07 and 236,196.56

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Solution

The fourth proportional to 395,809.29, 594,508.07 and 236,196.56 is: 354,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,809.29 : 594,508.07 = 236,196.56 : x
  2. Step 2: Convert to fraction form
    395,809.29/594,508.07 = 236,196.56/x
  3. Step 3: Cross multiply
    395,809.29x = 594,508.07 × 236,196.56
  4. Step 4: Simplify right side
    395,809.29x = 140,420,763,103.00
  5. Step 5: Solve for x
    x = 140,420,763,103.00/395,809.29
  6. Step 6: Final answer
    x = 354,768.74

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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.