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Finding the Fourth Proportional to 542,576.80, 813,545.52 and 222,633.28

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Solution

The fourth proportional to 542,576.80, 813,545.52 and 222,633.28 is: 333,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,576.80 : 813,545.52 = 222,633.28 : x
  2. Step 2: Convert to fraction form
    542,576.80/813,545.52 = 222,633.28/x
  3. Step 3: Cross multiply
    542,576.80x = 813,545.52 × 222,633.28
  4. Step 4: Simplify right side
    542,576.80x = 181,122,307,546.91
  5. Step 5: Solve for x
    x = 181,122,307,546.91/542,576.80
  6. Step 6: Final answer
    x = 333,818.75

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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.