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Finding the Fourth Proportional to 298,626.66, 447,671.07 and 108,954.63

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Solution

The fourth proportional to 298,626.66, 447,671.07 and 108,954.63 is: 163,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,626.66 : 447,671.07 = 108,954.63 : x
  2. Step 2: Convert to fraction form
    298,626.66/447,671.07 = 108,954.63/x
  3. Step 3: Cross multiply
    298,626.66x = 447,671.07 × 108,954.63
  4. Step 4: Simplify right side
    298,626.66x = 48,775,835,793.55
  5. Step 5: Solve for x
    x = 48,775,835,793.55/298,626.66
  6. Step 6: Final answer
    x = 163,333.83

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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.