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Finding the Fourth Proportional to 264,906.80, 397,360.20 and 158,618.60

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Solution

The fourth proportional to 264,906.80, 397,360.20 and 158,618.60 is: 237,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,906.80 : 397,360.20 = 158,618.60 : x
  2. Step 2: Convert to fraction form
    264,906.80/397,360.20 = 158,618.60/x
  3. Step 3: Cross multiply
    264,906.80x = 397,360.20 × 158,618.60
  4. Step 4: Simplify right side
    264,906.80x = 63,028,718,619.72
  5. Step 5: Solve for x
    x = 63,028,718,619.72/264,906.80
  6. Step 6: Final answer
    x = 237,927.90

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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.