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Finding the Fourth Proportional to 483,122.97, 666,696.78 and 268,257.51

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Solution

The fourth proportional to 483,122.97, 666,696.78 and 268,257.51 is: 370,188.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,122.97 : 666,696.78 = 268,257.51 : x
  2. Step 2: Convert to fraction form
    483,122.97/666,696.78 = 268,257.51/x
  3. Step 3: Cross multiply
    483,122.97x = 666,696.78 × 268,257.51
  4. Step 4: Simplify right side
    483,122.97x = 178,846,418,127.82
  5. Step 5: Solve for x
    x = 178,846,418,127.82/483,122.97
  6. Step 6: Final answer
    x = 370,188.19

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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.