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Finding the Fourth Proportional to 317,236.27, 475,743.73 and 127,647.52

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Solution

The fourth proportional to 317,236.27, 475,743.73 and 127,647.52 is: 191,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,236.27 : 475,743.73 = 127,647.52 : x
  2. Step 2: Convert to fraction form
    317,236.27/475,743.73 = 127,647.52/x
  3. Step 3: Cross multiply
    317,236.27x = 475,743.73 × 127,647.52
  4. Step 4: Simplify right side
    317,236.27x = 60,727,507,358.94
  5. Step 5: Solve for x
    x = 60,727,507,358.94/317,236.27
  6. Step 6: Final answer
    x = 191,426.75

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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.