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Finding the Fourth Proportional to 483,058.49, 666,641.54 and 268,198.59

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Solution

The fourth proportional to 483,058.49, 666,641.54 and 268,198.59 is: 370,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,058.49 : 666,641.54 = 268,198.59 : x
  2. Step 2: Convert to fraction form
    483,058.49/666,641.54 = 268,198.59/x
  3. Step 3: Cross multiply
    483,058.49x = 666,641.54 × 268,198.59
  4. Step 4: Simplify right side
    483,058.49x = 178,792,324,233.83
  5. Step 5: Solve for x
    x = 178,792,324,233.83/483,058.49
  6. Step 6: Final answer
    x = 370,125.63

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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.