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Finding the Fourth Proportional to 475,943.88, 656,796.42 and 271,992.46

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Solution

The fourth proportional to 475,943.88, 656,796.42 and 271,992.46 is: 375,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,943.88 : 656,796.42 = 271,992.46 : x
  2. Step 2: Convert to fraction form
    475,943.88/656,796.42 = 271,992.46/x
  3. Step 3: Cross multiply
    475,943.88x = 656,796.42 × 271,992.46
  4. Step 4: Simplify right side
    475,943.88x = 178,643,673,994.99
  5. Step 5: Solve for x
    x = 178,643,673,994.99/475,943.88
  6. Step 6: Final answer
    x = 375,346.09

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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.