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Finding the Fourth Proportional to 352,514.37, 486,470.43 and 201,611.37

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Solution

The fourth proportional to 352,514.37, 486,470.43 and 201,611.37 is: 278,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,514.37 : 486,470.43 = 201,611.37 : x
  2. Step 2: Convert to fraction form
    352,514.37/486,470.43 = 201,611.37/x
  3. Step 3: Cross multiply
    352,514.37x = 486,470.43 × 201,611.37
  4. Step 4: Simplify right side
    352,514.37x = 98,077,969,856.79
  5. Step 5: Solve for x
    x = 98,077,969,856.79/352,514.37
  6. Step 6: Final answer
    x = 278,224.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.