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Finding the Fourth Proportional to 475,086.10, 655,583.34 and 271,131.34

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Solution

The fourth proportional to 475,086.10, 655,583.34 and 271,131.34 is: 374,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,086.10 : 655,583.34 = 271,131.34 : x
  2. Step 2: Convert to fraction form
    475,086.10/655,583.34 = 271,131.34/x
  3. Step 3: Cross multiply
    475,086.10x = 655,583.34 × 271,131.34
  4. Step 4: Simplify right side
    475,086.10x = 177,749,189,455.88
  5. Step 5: Solve for x
    x = 177,749,189,455.88/475,086.10
  6. Step 6: Final answer
    x = 374,141.00

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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.