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Finding the Fourth Proportional to 338,806.56, 507,799.62 and 188,887.62

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Solution

The fourth proportional to 338,806.56, 507,799.62 and 188,887.62 is: 283,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,806.56 : 507,799.62 = 188,887.62 : x
  2. Step 2: Convert to fraction form
    338,806.56/507,799.62 = 188,887.62/x
  3. Step 3: Cross multiply
    338,806.56x = 507,799.62 × 188,887.62
  4. Step 4: Simplify right side
    338,806.56x = 95,917,061,658.70
  5. Step 5: Solve for x
    x = 95,917,061,658.70/338,806.56
  6. Step 6: Final answer
    x = 283,102.73

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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.