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Finding the Fourth Proportional to 303,211.30, 453,942.15 and 185,113.30

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Solution

The fourth proportional to 303,211.30, 453,942.15 and 185,113.30 is: 277,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,211.30 : 453,942.15 = 185,113.30 : x
  2. Step 2: Convert to fraction form
    303,211.30/453,942.15 = 185,113.30/x
  3. Step 3: Cross multiply
    303,211.30x = 453,942.15 × 185,113.30
  4. Step 4: Simplify right side
    303,211.30x = 84,030,729,395.60
  5. Step 5: Solve for x
    x = 84,030,729,395.60/303,211.30
  6. Step 6: Final answer
    x = 277,135.88

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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.