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Finding the Fourth Proportional to 399,691.98, 599,953.23 and 267,496.02

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Solution

The fourth proportional to 399,691.98, 599,953.23 and 267,496.02 is: 401,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,691.98 : 599,953.23 = 267,496.02 : x
  2. Step 2: Convert to fraction form
    399,691.98/599,953.23 = 267,496.02/x
  3. Step 3: Cross multiply
    399,691.98x = 599,953.23 × 267,496.02
  4. Step 4: Simplify right side
    399,691.98x = 160,485,101,211.15
  5. Step 5: Solve for x
    x = 160,485,101,211.15/399,691.98
  6. Step 6: Final answer
    x = 401,521.95

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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.