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Finding the Fourth Proportional to 492,994.25, 739,573.17 and 173,063.18

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Solution

The fourth proportional to 492,994.25, 739,573.17 and 173,063.18 is: 259,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,994.25 : 739,573.17 = 173,063.18 : x
  2. Step 2: Convert to fraction form
    492,994.25/739,573.17 = 173,063.18/x
  3. Step 3: Cross multiply
    492,994.25x = 739,573.17 × 173,063.18
  4. Step 4: Simplify right side
    492,994.25x = 127,992,885,842.83
  5. Step 5: Solve for x
    x = 127,992,885,842.83/492,994.25
  6. Step 6: Final answer
    x = 259,623.49

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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.