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Finding the Fourth Proportional to 273,438.73, 377,244.78 and 171,468.46

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Solution

The fourth proportional to 273,438.73, 377,244.78 and 171,468.46 is: 236,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,438.73 : 377,244.78 = 171,468.46 : x
  2. Step 2: Convert to fraction form
    273,438.73/377,244.78 = 171,468.46/x
  3. Step 3: Cross multiply
    273,438.73x = 377,244.78 × 171,468.46
  4. Step 4: Simplify right side
    273,438.73x = 64,685,581,469.64
  5. Step 5: Solve for x
    x = 64,685,581,469.64/273,438.73
  6. Step 6: Final answer
    x = 236,563.35

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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.