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Finding the Fourth Proportional to 395,906.08, 593,159.28 and 262,469.92

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Solution

The fourth proportional to 395,906.08, 593,159.28 and 262,469.92 is: 393,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,906.08 : 593,159.28 = 262,469.92 : x
  2. Step 2: Convert to fraction form
    395,906.08/593,159.28 = 262,469.92/x
  3. Step 3: Cross multiply
    395,906.08x = 593,159.28 × 262,469.92
  4. Step 4: Simplify right side
    395,906.08x = 155,686,468,768.86
  5. Step 5: Solve for x
    x = 155,686,468,768.86/395,906.08
  6. Step 6: Final answer
    x = 393,240.91

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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.