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Finding the Fourth Proportional to 366,930.78, 550,396.17 and 366,930.78

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Solution

The fourth proportional to 366,930.78, 550,396.17 and 366,930.78 is: 550,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.78 : 550,396.17 = 366,930.78 : x
  2. Step 2: Convert to fraction form
    366,930.78/550,396.17 = 366,930.78/x
  3. Step 3: Cross multiply
    366,930.78x = 550,396.17 × 366,930.78
  4. Step 4: Simplify right side
    366,930.78x = 201,957,295,967.11
  5. Step 5: Solve for x
    x = 201,957,295,967.11/366,930.78
  6. Step 6: Final answer
    x = 550,396.17

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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.