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Finding the Fourth Proportional to 395,509.14, 593,257.44 and 95,992.20

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Solution

The fourth proportional to 395,509.14, 593,257.44 and 95,992.20 is: 143,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,509.14 : 593,257.44 = 95,992.20 : x
  2. Step 2: Convert to fraction form
    395,509.14/593,257.44 = 95,992.20/x
  3. Step 3: Cross multiply
    395,509.14x = 593,257.44 × 95,992.20
  4. Step 4: Simplify right side
    395,509.14x = 56,948,086,831.97
  5. Step 5: Solve for x
    x = 56,948,086,831.97/395,509.14
  6. Step 6: Final answer
    x = 143,986.78

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1.5x scale

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.