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Finding the Fourth Proportional to 337,174.60, 505,956.30 and 126,963.40

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Solution

The fourth proportional to 337,174.60, 505,956.30 and 126,963.40 is: 190,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,174.60 : 505,956.30 = 126,963.40 : x
  2. Step 2: Convert to fraction form
    337,174.60/505,956.30 = 126,963.40/x
  3. Step 3: Cross multiply
    337,174.60x = 505,956.30 × 126,963.40
  4. Step 4: Simplify right side
    337,174.60x = 64,237,932,099.42
  5. Step 5: Solve for x
    x = 64,237,932,099.42/337,174.60
  6. Step 6: Final answer
    x = 190,518.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.