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Finding the Fourth Proportional to 303,268.80, 454,903.20 and 185,170.80

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Solution

The fourth proportional to 303,268.80, 454,903.20 and 185,170.80 is: 277,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,268.80 : 454,903.20 = 185,170.80 : x
  2. Step 2: Convert to fraction form
    303,268.80/454,903.20 = 185,170.80/x
  3. Step 3: Cross multiply
    303,268.80x = 454,903.20 × 185,170.80
  4. Step 4: Simplify right side
    303,268.80x = 84,234,789,466.56
  5. Step 5: Solve for x
    x = 84,234,789,466.56/303,268.80
  6. Step 6: Final answer
    x = 277,756.20

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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.