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Finding the Fourth Proportional to 368,375.67, 552,563.64 and 165,735.15

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Solution

The fourth proportional to 368,375.67, 552,563.64 and 165,735.15 is: 248,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,375.67 : 552,563.64 = 165,735.15 : x
  2. Step 2: Convert to fraction form
    368,375.67/552,563.64 = 165,735.15/x
  3. Step 3: Cross multiply
    368,375.67x = 552,563.64 × 165,735.15
  4. Step 4: Simplify right side
    368,375.67x = 91,579,217,759.95
  5. Step 5: Solve for x
    x = 91,579,217,759.95/368,375.67
  6. Step 6: Final answer
    x = 248,602.79

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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.