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Finding the Fourth Proportional to 348,287.77, 522,664.67 and 126,671.77

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Solution

The fourth proportional to 348,287.77, 522,664.67 and 126,671.77 is: 190,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,287.77 : 522,664.67 = 126,671.77 : x
  2. Step 2: Convert to fraction form
    348,287.77/522,664.67 = 126,671.77/x
  3. Step 3: Cross multiply
    348,287.77x = 522,664.67 × 126,671.77
  4. Step 4: Simplify right side
    348,287.77x = 66,206,858,865.37
  5. Step 5: Solve for x
    x = 66,206,858,865.37/348,287.77
  6. Step 6: Final answer
    x = 190,092.40

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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.