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Finding the Fourth Proportional to 303,596.73, 454,785.98 and 278,794.53

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Solution

The fourth proportional to 303,596.73, 454,785.98 and 278,794.53 is: 417,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,596.73 : 454,785.98 = 278,794.53 : x
  2. Step 2: Convert to fraction form
    303,596.73/454,785.98 = 278,794.53/x
  3. Step 3: Cross multiply
    303,596.73x = 454,785.98 × 278,794.53
  4. Step 4: Simplify right side
    303,596.73x = 126,791,842,150.72
  5. Step 5: Solve for x
    x = 126,791,842,150.72/303,596.73
  6. Step 6: Final answer
    x = 417,632.44

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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.