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Finding the Fourth Proportional to 338,858.38, 467,622.66 and 185,892.66

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Solution

The fourth proportional to 338,858.38, 467,622.66 and 185,892.66 is: 256,530.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,858.38 : 467,622.66 = 185,892.66 : x
  2. Step 2: Convert to fraction form
    338,858.38/467,622.66 = 185,892.66/x
  3. Step 3: Cross multiply
    338,858.38x = 467,622.66 × 185,892.66
  4. Step 4: Simplify right side
    338,858.38x = 86,927,620,143.68
  5. Step 5: Solve for x
    x = 86,927,620,143.68/338,858.38
  6. Step 6: Final answer
    x = 256,530.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.