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Finding the Fourth Proportional to 366,545.80, 505,832.43 and 223,305.76

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Solution

The fourth proportional to 366,545.80, 505,832.43 and 223,305.76 is: 308,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,545.80 : 505,832.43 = 223,305.76 : x
  2. Step 2: Convert to fraction form
    366,545.80/505,832.43 = 223,305.76/x
  3. Step 3: Cross multiply
    366,545.80x = 505,832.43 × 223,305.76
  4. Step 4: Simplify right side
    366,545.80x = 112,955,295,213.80
  5. Step 5: Solve for x
    x = 112,955,295,213.80/366,545.80
  6. Step 6: Final answer
    x = 308,161.48

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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.