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Finding the Fourth Proportional to 395,816.05, 593,709.49 and 171,233.02

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Solution

The fourth proportional to 395,816.05, 593,709.49 and 171,233.02 is: 256,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,816.05 : 593,709.49 = 171,233.02 : x
  2. Step 2: Convert to fraction form
    395,816.05/593,709.49 = 171,233.02/x
  3. Step 3: Cross multiply
    395,816.05x = 593,709.49 × 171,233.02
  4. Step 4: Simplify right side
    395,816.05x = 101,662,668,975.36
  5. Step 5: Solve for x
    x = 101,662,668,975.36/395,816.05
  6. Step 6: Final answer
    x = 256,843.22

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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.