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Finding the Fourth Proportional to 451,224.92, 622,669.02 and 270,036.54

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Solution

The fourth proportional to 451,224.92, 622,669.02 and 270,036.54 is: 372,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,224.92 : 622,669.02 = 270,036.54 : x
  2. Step 2: Convert to fraction form
    451,224.92/622,669.02 = 270,036.54/x
  3. Step 3: Cross multiply
    451,224.92x = 622,669.02 × 270,036.54
  4. Step 4: Simplify right side
    451,224.92x = 168,143,387,725.99
  5. Step 5: Solve for x
    x = 168,143,387,725.99/451,224.92
  6. Step 6: Final answer
    x = 372,637.64

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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.