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Finding the Fourth Proportional to 303,274.80, 454,037.40 and 268,282.80

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Solution

The fourth proportional to 303,274.80, 454,037.40 and 268,282.80 is: 401,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,274.80 : 454,037.40 = 268,282.80 : x
  2. Step 2: Convert to fraction form
    303,274.80/454,037.40 = 268,282.80/x
  3. Step 3: Cross multiply
    303,274.80x = 454,037.40 × 268,282.80
  4. Step 4: Simplify right side
    303,274.80x = 121,810,424,976.72
  5. Step 5: Solve for x
    x = 121,810,424,976.72/303,274.80
  6. Step 6: Final answer
    x = 401,650.33

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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.