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Finding the Fourth Proportional to 375,773.65, 518,545.67 and 222,826.55

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Solution

The fourth proportional to 375,773.65, 518,545.67 and 222,826.55 is: 307,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,773.65 : 518,545.67 = 222,826.55 : x
  2. Step 2: Convert to fraction form
    375,773.65/518,545.67 = 222,826.55/x
  3. Step 3: Cross multiply
    375,773.65x = 518,545.67 × 222,826.55
  4. Step 4: Simplify right side
    375,773.65x = 115,545,738,956.68
  5. Step 5: Solve for x
    x = 115,545,738,956.68/375,773.65
  6. Step 6: Final answer
    x = 307,487.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.