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Finding the Fourth Proportional to 264,876.90, 397,534.05 and 122,940.60

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Solution

The fourth proportional to 264,876.90, 397,534.05 and 122,940.60 is: 184,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,876.90 : 397,534.05 = 122,940.60 : x
  2. Step 2: Convert to fraction form
    264,876.90/397,534.05 = 122,940.60/x
  3. Step 3: Cross multiply
    264,876.90x = 397,534.05 × 122,940.60
  4. Step 4: Simplify right side
    264,876.90x = 48,873,074,627.43
  5. Step 5: Solve for x
    x = 48,873,074,627.43/264,876.90
  6. Step 6: Final answer
    x = 184,512.41

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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.