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Finding the Fourth Proportional to 475,095.72, 655,449.67 and 271,157.97

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Solution

The fourth proportional to 475,095.72, 655,449.67 and 271,157.97 is: 374,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,095.72 : 655,449.67 = 271,157.97 : x
  2. Step 2: Convert to fraction form
    475,095.72/655,449.67 = 271,157.97/x
  3. Step 3: Cross multiply
    475,095.72x = 655,449.67 × 271,157.97
  4. Step 4: Simplify right side
    475,095.72x = 177,730,401,954.37
  5. Step 5: Solve for x
    x = 177,730,401,954.37/475,095.72
  6. Step 6: Final answer
    x = 374,093.88

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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.