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Finding the Fourth Proportional to 264,908.20, 397,362.30 and 236,039.80

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Solution

The fourth proportional to 264,908.20, 397,362.30 and 236,039.80 is: 354,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,908.20 : 397,362.30 = 236,039.80 : x
  2. Step 2: Convert to fraction form
    264,908.20/397,362.30 = 236,039.80/x
  3. Step 3: Cross multiply
    264,908.20x = 397,362.30 × 236,039.80
  4. Step 4: Simplify right side
    264,908.20x = 93,793,317,819.54
  5. Step 5: Solve for x
    x = 93,793,317,819.54/264,908.20
  6. Step 6: Final answer
    x = 354,059.70

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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.