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Finding the Fourth Proportional to 395,447.59, 593,171.22 and 158,790.19

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Solution

The fourth proportional to 395,447.59, 593,171.22 and 158,790.19 is: 238,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,447.59 : 593,171.22 = 158,790.19 : x
  2. Step 2: Convert to fraction form
    395,447.59/593,171.22 = 158,790.19/x
  3. Step 3: Cross multiply
    395,447.59x = 593,171.22 × 158,790.19
  4. Step 4: Simplify right side
    395,447.59x = 94,189,770,726.33
  5. Step 5: Solve for x
    x = 94,189,770,726.33/395,447.59
  6. Step 6: Final answer
    x = 238,185.22

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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.