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Finding the Fourth Proportional to 348,287.27, 522,663.92 and 126,671.27

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Solution

The fourth proportional to 348,287.27, 522,663.92 and 126,671.27 is: 190,091.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,287.27 : 522,663.92 = 126,671.27 : x
  2. Step 2: Convert to fraction form
    348,287.27/522,663.92 = 126,671.27/x
  3. Step 3: Cross multiply
    348,287.27x = 522,663.92 × 126,671.27
  4. Step 4: Simplify right side
    348,287.27x = 66,206,501,896.22
  5. Step 5: Solve for x
    x = 66,206,501,896.22/348,287.27
  6. Step 6: Final answer
    x = 190,091.65

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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.