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Finding the Fourth Proportional to 493,379.23, 680,863.41 and 267,024.73

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Solution

The fourth proportional to 493,379.23, 680,863.41 and 267,024.73 is: 368,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,379.23 : 680,863.41 = 267,024.73 : x
  2. Step 2: Convert to fraction form
    493,379.23/680,863.41 = 267,024.73/x
  3. Step 3: Cross multiply
    493,379.23x = 680,863.41 × 267,024.73
  4. Step 4: Simplify right side
    493,379.23x = 181,807,368,222.13
  5. Step 5: Solve for x
    x = 181,807,368,222.13/493,379.23
  6. Step 6: Final answer
    x = 368,494.17

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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.