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Finding the Fourth Proportional to 792,696.48, 1,189,040.54 and 193,661

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Solution

The fourth proportional to 792,696.48, 1,189,040.54 and 193,661 is: 290,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,696.48 : 1,189,040.54 = 193,661 : x
  2. Step 2: Convert to fraction form
    792,696.48/1,189,040.54 = 193,661/x
  3. Step 3: Cross multiply
    792,696.48x = 1,189,040.54 × 193,661
  4. Step 4: Simplify right side
    792,696.48x = 230,270,780,016.94
  5. Step 5: Solve for x
    x = 230,270,780,016.94/792,696.48
  6. Step 6: Final answer
    x = 290,490.48

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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.