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Finding the Fourth Proportional to 362,165.22, 543,781.08 and 202,553.87

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Solution

The fourth proportional to 362,165.22, 543,781.08 and 202,553.87 is: 304,129.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,165.22 : 543,781.08 = 202,553.87 : x
  2. Step 2: Convert to fraction form
    362,165.22/543,781.08 = 202,553.87/x
  3. Step 3: Cross multiply
    362,165.22x = 543,781.08 × 202,553.87
  4. Step 4: Simplify right side
    362,165.22x = 110,144,959,467.87
  5. Step 5: Solve for x
    x = 110,144,959,467.87/362,165.22
  6. Step 6: Final answer
    x = 304,129.04

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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.