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Finding the Fourth Proportional to 395,735.36, 593,533.37 and 115,187.00

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Solution

The fourth proportional to 395,735.36, 593,533.37 and 115,187.00 is: 172,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,735.36 : 593,533.37 = 115,187.00 : x
  2. Step 2: Convert to fraction form
    395,735.36/593,533.37 = 115,187.00/x
  3. Step 3: Cross multiply
    395,735.36x = 593,533.37 × 115,187.00
  4. Step 4: Simplify right side
    395,735.36x = 68,367,325,610.49
  5. Step 5: Solve for x
    x = 68,367,325,610.49/395,735.36
  6. Step 6: Final answer
    x = 172,760.22

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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.