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Finding the Fourth Proportional to 395,663.97, 593,471.34 and 170,866.83

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Solution

The fourth proportional to 395,663.97, 593,471.34 and 170,866.83 is: 256,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,663.97 : 593,471.34 = 170,866.83 : x
  2. Step 2: Convert to fraction form
    395,663.97/593,471.34 = 170,866.83/x
  3. Step 3: Cross multiply
    395,663.97x = 593,471.34 × 170,866.83
  4. Step 4: Simplify right side
    395,663.97x = 101,404,566,561.65
  5. Step 5: Solve for x
    x = 101,404,566,561.65/395,663.97
  6. Step 6: Final answer
    x = 256,289.62

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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.