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Finding the Fourth Proportional to 395,288.72, 592,753.80 and 170,542.88

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Solution

The fourth proportional to 395,288.72, 592,753.80 and 170,542.88 is: 255,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,288.72 : 592,753.80 = 170,542.88 : x
  2. Step 2: Convert to fraction form
    395,288.72/592,753.80 = 170,542.88/x
  3. Step 3: Cross multiply
    395,288.72x = 592,753.80 × 170,542.88
  4. Step 4: Simplify right side
    395,288.72x = 101,089,940,182.94
  5. Step 5: Solve for x
    x = 101,089,940,182.94/395,288.72
  6. Step 6: Final answer
    x = 255,736.97

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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.