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Finding the Fourth Proportional to 434,445.96, 599,828.34 and 271,351.56

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Solution

The fourth proportional to 434,445.96, 599,828.34 and 271,351.56 is: 374,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,445.96 : 599,828.34 = 271,351.56 : x
  2. Step 2: Convert to fraction form
    434,445.96/599,828.34 = 271,351.56/x
  3. Step 3: Cross multiply
    434,445.96x = 599,828.34 × 271,351.56
  4. Step 4: Simplify right side
    434,445.96x = 162,764,355,791.21
  5. Step 5: Solve for x
    x = 162,764,355,791.21/434,445.96
  6. Step 6: Final answer
    x = 374,648.11

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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.