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Finding the Fourth Proportional to 486,256.59, 671,034.92 and 271,396.62

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Solution

The fourth proportional to 486,256.59, 671,034.92 and 271,396.62 is: 374,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,256.59 : 671,034.92 = 271,396.62 : x
  2. Step 2: Convert to fraction form
    486,256.59/671,034.92 = 271,396.62/x
  3. Step 3: Cross multiply
    486,256.59x = 671,034.92 × 271,396.62
  4. Step 4: Simplify right side
    486,256.59x = 182,116,607,832.99
  5. Step 5: Solve for x
    x = 182,116,607,832.99/486,256.59
  6. Step 6: Final answer
    x = 374,527.79

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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.