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Finding the Fourth Proportional to 303,212.80, 453,944.40 and 185,114.80

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Solution

The fourth proportional to 303,212.80, 453,944.40 and 185,114.80 is: 277,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,212.80 : 453,944.40 = 185,114.80 : x
  2. Step 2: Convert to fraction form
    303,212.80/453,944.40 = 185,114.80/x
  3. Step 3: Cross multiply
    303,212.80x = 453,944.40 × 185,114.80
  4. Step 4: Simplify right side
    303,212.80x = 84,031,826,817.12
  5. Step 5: Solve for x
    x = 84,031,826,817.12/303,212.80
  6. Step 6: Final answer
    x = 277,138.12

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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.