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Finding the Fourth Proportional to 395,309.36, 593,200.24 and 363,150.48

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Solution

The fourth proportional to 395,309.36, 593,200.24 and 363,150.48 is: 544,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,309.36 : 593,200.24 = 363,150.48 : x
  2. Step 2: Convert to fraction form
    395,309.36/593,200.24 = 363,150.48/x
  3. Step 3: Cross multiply
    395,309.36x = 593,200.24 × 363,150.48
  4. Step 4: Simplify right side
    395,309.36x = 215,420,951,892.12
  5. Step 5: Solve for x
    x = 215,420,951,892.12/395,309.36
  6. Step 6: Final answer
    x = 544,942.70

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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.