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Finding the Fourth Proportional to 274,552.44, 378,889.20 and 153,692.76

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Solution

The fourth proportional to 274,552.44, 378,889.20 and 153,692.76 is: 212,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,552.44 : 378,889.20 = 153,692.76 : x
  2. Step 2: Convert to fraction form
    274,552.44/378,889.20 = 153,692.76/x
  3. Step 3: Cross multiply
    274,552.44x = 378,889.20 × 153,692.76
  4. Step 4: Simplify right side
    274,552.44x = 58,232,526,882.19
  5. Step 5: Solve for x
    x = 58,232,526,882.19/274,552.44
  6. Step 6: Final answer
    x = 212,099.83

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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.