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Finding the Fourth Proportional to 338,942.22, 507,793.62 and 158,696.94

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Solution

The fourth proportional to 338,942.22, 507,793.62 and 158,696.94 is: 237,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,942.22 : 507,793.62 = 158,696.94 : x
  2. Step 2: Convert to fraction form
    338,942.22/507,793.62 = 158,696.94/x
  3. Step 3: Cross multiply
    338,942.22x = 507,793.62 × 158,696.94
  4. Step 4: Simplify right side
    338,942.22x = 80,585,293,645.52
  5. Step 5: Solve for x
    x = 80,585,293,645.52/338,942.22
  6. Step 6: Final answer
    x = 237,755.25

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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.