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Finding the Fourth Proportional to 303,211.80, 453,942.90 and 185,113.80

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Solution

The fourth proportional to 303,211.80, 453,942.90 and 185,113.80 is: 277,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,211.80 : 453,942.90 = 185,113.80 : x
  2. Step 2: Convert to fraction form
    303,211.80/453,942.90 = 185,113.80/x
  3. Step 3: Cross multiply
    303,211.80x = 453,942.90 × 185,113.80
  4. Step 4: Simplify right side
    303,211.80x = 84,031,095,202.02
  5. Step 5: Solve for x
    x = 84,031,095,202.02/303,211.80
  6. Step 6: Final answer
    x = 277,136.63

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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.