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Finding the Fourth Proportional to 276,294.42, 414,995.67 and 267,215.94

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Solution

The fourth proportional to 276,294.42, 414,995.67 and 267,215.94 is: 401,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,294.42 : 414,995.67 = 267,215.94 : x
  2. Step 2: Convert to fraction form
    276,294.42/414,995.67 = 267,215.94/x
  3. Step 3: Cross multiply
    276,294.42x = 414,995.67 × 267,215.94
  4. Step 4: Simplify right side
    276,294.42x = 110,893,458,054.98
  5. Step 5: Solve for x
    x = 110,893,458,054.98/276,294.42
  6. Step 6: Final answer
    x = 401,359.75

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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.