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Finding the Fourth Proportional to 264,834.60, 396,906.30 and 122,663.40

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Solution

The fourth proportional to 264,834.60, 396,906.30 and 122,663.40 is: 183,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,834.60 : 396,906.30 = 122,663.40 : x
  2. Step 2: Convert to fraction form
    264,834.60/396,906.30 = 122,663.40/x
  3. Step 3: Cross multiply
    264,834.60x = 396,906.30 × 122,663.40
  4. Step 4: Simplify right side
    264,834.60x = 48,685,876,239.42
  5. Step 5: Solve for x
    x = 48,685,876,239.42/264,834.60
  6. Step 6: Final answer
    x = 183,835.03

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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.