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Finding the Fourth Proportional to 303,265.80, 454,023.90 and 268,273.80

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Solution

The fourth proportional to 303,265.80, 454,023.90 and 268,273.80 is: 401,636.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,265.80 : 454,023.90 = 268,273.80 : x
  2. Step 2: Convert to fraction form
    303,265.80/454,023.90 = 268,273.80/x
  3. Step 3: Cross multiply
    303,265.80x = 454,023.90 × 268,273.80
  4. Step 4: Simplify right side
    303,265.80x = 121,802,716,943.82
  5. Step 5: Solve for x
    x = 121,802,716,943.82/303,265.80
  6. Step 6: Final answer
    x = 401,636.84

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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.