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Finding the Fourth Proportional to 348,288.27, 522,665.42 and 126,672.27

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Solution

The fourth proportional to 348,288.27, 522,665.42 and 126,672.27 is: 190,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,288.27 : 522,665.42 = 126,672.27 : x
  2. Step 2: Convert to fraction form
    348,288.27/522,665.42 = 126,672.27/x
  3. Step 3: Cross multiply
    348,288.27x = 522,665.42 × 126,672.27
  4. Step 4: Simplify right side
    348,288.27x = 66,207,214,568.54
  5. Step 5: Solve for x
    x = 66,207,214,568.54/348,288.27
  6. Step 6: Final answer
    x = 190,093.15

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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.