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Finding the Fourth Proportional to 395,374.56, 593,375.51 and 205,888.83

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Solution

The fourth proportional to 395,374.56, 593,375.51 and 205,888.83 is: 308,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,374.56 : 593,375.51 = 205,888.83 : x
  2. Step 2: Convert to fraction form
    395,374.56/593,375.51 = 205,888.83/x
  3. Step 3: Cross multiply
    395,374.56x = 593,375.51 × 205,888.83
  4. Step 4: Simplify right side
    395,374.56x = 122,169,389,504.55
  5. Step 5: Solve for x
    x = 122,169,389,504.55/395,374.56
  6. Step 6: Final answer
    x = 308,996.59

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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.