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Finding the Fourth Proportional to 275,907.72, 380,755.14 and 167,014.56

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Solution

The fourth proportional to 275,907.72, 380,755.14 and 167,014.56 is: 230,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,907.72 : 380,755.14 = 167,014.56 : x
  2. Step 2: Convert to fraction form
    275,907.72/380,755.14 = 167,014.56/x
  3. Step 3: Cross multiply
    275,907.72x = 380,755.14 × 167,014.56
  4. Step 4: Simplify right side
    275,907.72x = 63,591,652,174.84
  5. Step 5: Solve for x
    x = 63,591,652,174.84/275,907.72
  6. Step 6: Final answer
    x = 230,481.60

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1.5x scale

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.