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Finding the Fourth Proportional to 366,930.68, 550,396.02 and 167,640.30

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Solution

The fourth proportional to 366,930.68, 550,396.02 and 167,640.30 is: 251,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.68 : 550,396.02 = 167,640.30 : x
  2. Step 2: Convert to fraction form
    366,930.68/550,396.02 = 167,640.30/x
  3. Step 3: Cross multiply
    366,930.68x = 550,396.02 × 167,640.30
  4. Step 4: Simplify right side
    366,930.68x = 92,268,553,911.61
  5. Step 5: Solve for x
    x = 92,268,553,911.61/366,930.68
  6. Step 6: Final answer
    x = 251,460.45

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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.