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Finding the Fourth Proportional to 373,958.64, 515,883.42 and 271,825.74

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Solution

The fourth proportional to 373,958.64, 515,883.42 and 271,825.74 is: 374,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,958.64 : 515,883.42 = 271,825.74 : x
  2. Step 2: Convert to fraction form
    373,958.64/515,883.42 = 271,825.74/x
  3. Step 3: Cross multiply
    373,958.64x = 515,883.42 × 271,825.74
  4. Step 4: Simplify right side
    373,958.64x = 140,230,392,395.23
  5. Step 5: Solve for x
    x = 140,230,392,395.23/373,958.64
  6. Step 6: Final answer
    x = 374,989.04

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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.