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Finding the Fourth Proportional to 654,993.68, 982,490.46 and 181,679.06

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Solution

The fourth proportional to 654,993.68, 982,490.46 and 181,679.06 is: 272,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,993.68 : 982,490.46 = 181,679.06 : x
  2. Step 2: Convert to fraction form
    654,993.68/982,490.46 = 181,679.06/x
  3. Step 3: Cross multiply
    654,993.68x = 982,490.46 × 181,679.06
  4. Step 4: Simplify right side
    654,993.68x = 178,497,943,231.77
  5. Step 5: Solve for x
    x = 178,497,943,231.77/654,993.68
  6. Step 6: Final answer
    x = 272,518.57

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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.