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Finding the Fourth Proportional to 654,891.11, 982,336.70 and 181,576.48

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Solution

The fourth proportional to 654,891.11, 982,336.70 and 181,576.48 is: 272,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,891.11 : 982,336.70 = 181,576.48 : x
  2. Step 2: Convert to fraction form
    654,891.11/982,336.70 = 181,576.48/x
  3. Step 3: Cross multiply
    654,891.11x = 982,336.70 × 181,576.48
  4. Step 4: Simplify right side
    654,891.11x = 178,369,238,158.92
  5. Step 5: Solve for x
    x = 178,369,238,158.92/654,891.11
  6. Step 6: Final answer
    x = 272,364.73

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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.