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Finding the Fourth Proportional to 395,789.92, 593,685.36 and 96,268.42

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Solution

The fourth proportional to 395,789.92, 593,685.36 and 96,268.42 is: 144,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,789.92 : 593,685.36 = 96,268.42 : x
  2. Step 2: Convert to fraction form
    395,789.92/593,685.36 = 96,268.42/x
  3. Step 3: Cross multiply
    395,789.92x = 593,685.36 × 96,268.42
  4. Step 4: Simplify right side
    395,789.92x = 57,153,151,584.33
  5. Step 5: Solve for x
    x = 57,153,151,584.33/395,789.92
  6. Step 6: Final answer
    x = 144,402.75

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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.