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Finding the Fourth Proportional to 654,993.93, 982,490.84 and 181,679.31

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Solution

The fourth proportional to 654,993.93, 982,490.84 and 181,679.31 is: 272,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,993.93 : 982,490.84 = 181,679.31 : x
  2. Step 2: Convert to fraction form
    654,993.93/982,490.84 = 181,679.31/x
  3. Step 3: Cross multiply
    654,993.93x = 982,490.84 × 181,679.31
  4. Step 4: Simplify right side
    654,993.93x = 178,498,256,984.12
  5. Step 5: Solve for x
    x = 178,498,256,984.12/654,993.93
  6. Step 6: Final answer
    x = 272,518.95

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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.