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Finding the Fourth Proportional to 494,047.01, 681,785.36 and 267,692.51

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Solution

The fourth proportional to 494,047.01, 681,785.36 and 267,692.51 is: 369,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,047.01 : 681,785.36 = 267,692.51 : x
  2. Step 2: Convert to fraction form
    494,047.01/681,785.36 = 267,692.51/x
  3. Step 3: Cross multiply
    494,047.01x = 681,785.36 × 267,692.51
  4. Step 4: Simplify right side
    494,047.01x = 182,508,834,299.65
  5. Step 5: Solve for x
    x = 182,508,834,299.65/494,047.01
  6. Step 6: Final answer
    x = 369,415.93

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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.