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Finding the Fourth Proportional to 367,181.82, 550,247.85 and 209,083.59

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Solution

The fourth proportional to 367,181.82, 550,247.85 and 209,083.59 is: 313,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,181.82 : 550,247.85 = 209,083.59 : x
  2. Step 2: Convert to fraction form
    367,181.82/550,247.85 = 209,083.59/x
  3. Step 3: Cross multiply
    367,181.82x = 550,247.85 × 209,083.59
  4. Step 4: Simplify right side
    367,181.82x = 115,047,795,867.78
  5. Step 5: Solve for x
    x = 115,047,795,867.78/367,181.82
  6. Step 6: Final answer
    x = 313,326.50

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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.