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Finding the Fourth Proportional to 323,076.54, 445,769.46 and 271,589.46

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Solution

The fourth proportional to 323,076.54, 445,769.46 and 271,589.46 is: 374,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,076.54 : 445,769.46 = 271,589.46 : x
  2. Step 2: Convert to fraction form
    323,076.54/445,769.46 = 271,589.46/x
  3. Step 3: Cross multiply
    323,076.54x = 445,769.46 × 271,589.46
  4. Step 4: Simplify right side
    323,076.54x = 121,066,286,925.89
  5. Step 5: Solve for x
    x = 121,066,286,925.89/323,076.54
  6. Step 6: Final answer
    x = 374,729.43

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1.5x scale

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.