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Finding the Fourth Proportional to 323,064.54, 445,752.90 and 271,577.43

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Solution

The fourth proportional to 323,064.54, 445,752.90 and 271,577.43 is: 374,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,064.54 : 445,752.90 = 271,577.43 : x
  2. Step 2: Convert to fraction form
    323,064.54/445,752.90 = 271,577.43/x
  3. Step 3: Cross multiply
    323,064.54x = 445,752.90 × 271,577.43
  4. Step 4: Simplify right side
    323,064.54x = 121,056,426,997.05
  5. Step 5: Solve for x
    x = 121,056,426,997.05/323,064.54
  6. Step 6: Final answer
    x = 374,712.83

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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.