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Finding the Fourth Proportional to 273,311.44, 377,407.22 and 171,513.44

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Solution

The fourth proportional to 273,311.44, 377,407.22 and 171,513.44 is: 236,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,311.44 : 377,407.22 = 171,513.44 : x
  2. Step 2: Convert to fraction form
    273,311.44/377,407.22 = 171,513.44/x
  3. Step 3: Cross multiply
    273,311.44x = 377,407.22 × 171,513.44
  4. Step 4: Simplify right side
    273,311.44x = 64,730,410,583.04
  5. Step 5: Solve for x
    x = 64,730,410,583.04/273,311.44
  6. Step 6: Final answer
    x = 236,837.55

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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.