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Finding the Fourth Proportional to 492,992.15, 739,569.97 and 173,061.05

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Solution

The fourth proportional to 492,992.15, 739,569.97 and 173,061.05 is: 259,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,992.15 : 739,569.97 = 173,061.05 : x
  2. Step 2: Convert to fraction form
    492,992.15/739,569.97 = 173,061.05/x
  3. Step 3: Cross multiply
    492,992.15x = 739,569.97 × 173,061.05
  4. Step 4: Simplify right side
    492,992.15x = 127,990,751,858.82
  5. Step 5: Solve for x
    x = 127,990,751,858.82/492,992.15
  6. Step 6: Final answer
    x = 259,620.27

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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.