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Finding the Fourth Proportional to 366,105.43, 548,305.21 and 356,015.16

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Solution

The fourth proportional to 366,105.43, 548,305.21 and 356,015.16 is: 533,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,105.43 : 548,305.21 = 356,015.16 : x
  2. Step 2: Convert to fraction form
    366,105.43/548,305.21 = 356,015.16/x
  3. Step 3: Cross multiply
    366,105.43x = 548,305.21 × 356,015.16
  4. Step 4: Simplify right side
    366,105.43x = 195,204,962,545.38
  5. Step 5: Solve for x
    x = 195,204,962,545.38/366,105.43
  6. Step 6: Final answer
    x = 533,193.31

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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.