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Finding the Fourth Proportional to 395,855.09, 593,691.56 and 235,976.16

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Solution

The fourth proportional to 395,855.09, 593,691.56 and 235,976.16 is: 353,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,855.09 : 593,691.56 = 235,976.16 : x
  2. Step 2: Convert to fraction form
    395,855.09/593,691.56 = 235,976.16/x
  3. Step 3: Cross multiply
    395,855.09x = 593,691.56 × 235,976.16
  4. Step 4: Simplify right side
    395,855.09x = 140,097,055,810.35
  5. Step 5: Solve for x
    x = 140,097,055,810.35/395,855.09
  6. Step 6: Final answer
    x = 353,909.95

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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.