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Finding the Fourth Proportional to 477,912.36, 659,370.60 and 271,146.54

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Solution

The fourth proportional to 477,912.36, 659,370.60 and 271,146.54 is: 374,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,912.36 : 659,370.60 = 271,146.54 : x
  2. Step 2: Convert to fraction form
    477,912.36/659,370.60 = 271,146.54/x
  3. Step 3: Cross multiply
    477,912.36x = 659,370.60 × 271,146.54
  4. Step 4: Simplify right side
    477,912.36x = 178,786,056,767.72
  5. Step 5: Solve for x
    x = 178,786,056,767.72/477,912.36
  6. Step 6: Final answer
    x = 374,098.00

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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.