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Finding the Fourth Proportional to 468,707.75, 703,317.57 and 198,793.91

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Solution

The fourth proportional to 468,707.75, 703,317.57 and 198,793.91 is: 298,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,707.75 : 703,317.57 = 198,793.91 : x
  2. Step 2: Convert to fraction form
    468,707.75/703,317.57 = 198,793.91/x
  3. Step 3: Cross multiply
    468,707.75x = 703,317.57 × 198,793.91
  4. Step 4: Simplify right side
    468,707.75x = 139,815,246,195.41
  5. Step 5: Solve for x
    x = 139,815,246,195.41/468,707.75
  6. Step 6: Final answer
    x = 298,299.41

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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.