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Finding the Fourth Proportional to 303,290.70, 454,994.38 and 116,287.62

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Solution

The fourth proportional to 303,290.70, 454,994.38 and 116,287.62 is: 174,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,290.70 : 454,994.38 = 116,287.62 : x
  2. Step 2: Convert to fraction form
    303,290.70/454,994.38 = 116,287.62/x
  3. Step 3: Cross multiply
    303,290.70x = 454,994.38 × 116,287.62
  4. Step 4: Simplify right side
    303,290.70x = 52,910,213,563.58
  5. Step 5: Solve for x
    x = 52,910,213,563.58/303,290.70
  6. Step 6: Final answer
    x = 174,453.79

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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.