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Finding the Fourth Proportional to 308,879.37, 463,327.16 and 106,473.33

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Solution

The fourth proportional to 308,879.37, 463,327.16 and 106,473.33 is: 159,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,879.37 : 463,327.16 = 106,473.33 : x
  2. Step 2: Convert to fraction form
    308,879.37/463,327.16 = 106,473.33/x
  3. Step 3: Cross multiply
    308,879.37x = 463,327.16 × 106,473.33
  4. Step 4: Simplify right side
    308,879.37x = 49,331,985,072.28
  5. Step 5: Solve for x
    x = 49,331,985,072.28/308,879.37
  6. Step 6: Final answer
    x = 159,712.79

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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.