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Finding the Fourth Proportional to 492,169.15, 738,315.27 and 192,611.02

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Solution

The fourth proportional to 492,169.15, 738,315.27 and 192,611.02 is: 288,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,169.15 : 738,315.27 = 192,611.02 : x
  2. Step 2: Convert to fraction form
    492,169.15/738,315.27 = 192,611.02/x
  3. Step 3: Cross multiply
    492,169.15x = 738,315.27 × 192,611.02
  4. Step 4: Simplify right side
    492,169.15x = 142,207,657,236.28
  5. Step 5: Solve for x
    x = 142,207,657,236.28/492,169.15
  6. Step 6: Final answer
    x = 288,940.62

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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.