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Finding the Fourth Proportional to 395,709.15, 593,558.37 and 96,188.88

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Solution

The fourth proportional to 395,709.15, 593,558.37 and 96,188.88 is: 144,282.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,709.15 : 593,558.37 = 96,188.88 : x
  2. Step 2: Convert to fraction form
    395,709.15/593,558.37 = 96,188.88/x
  3. Step 3: Cross multiply
    395,709.15x = 593,558.37 × 96,188.88
  4. Step 4: Simplify right side
    395,709.15x = 57,093,714,824.93
  5. Step 5: Solve for x
    x = 57,093,714,824.93/395,709.15
  6. Step 6: Final answer
    x = 144,282.02

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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.