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Finding the Fourth Proportional to 263,903.39, 395,794.38 and 157,317.44

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Solution

The fourth proportional to 263,903.39, 395,794.38 and 157,317.44 is: 235,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,903.39 : 395,794.38 = 157,317.44 : x
  2. Step 2: Convert to fraction form
    263,903.39/395,794.38 = 157,317.44/x
  3. Step 3: Cross multiply
    263,903.39x = 395,794.38 × 157,317.44
  4. Step 4: Simplify right side
    263,903.39x = 62,265,358,137.93
  5. Step 5: Solve for x
    x = 62,265,358,137.93/263,903.39
  6. Step 6: Final answer
    x = 235,939.97

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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.