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Finding the Fourth Proportional to 303,290.64, 454,994.16 and 116,287.56

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Solution

The fourth proportional to 303,290.64, 454,994.16 and 116,287.56 is: 174,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,290.64 : 454,994.16 = 116,287.56 : x
  2. Step 2: Convert to fraction form
    303,290.64/454,994.16 = 116,287.56/x
  3. Step 3: Cross multiply
    303,290.64x = 454,994.16 × 116,287.56
  4. Step 4: Simplify right side
    303,290.64x = 52,910,160,680.65
  5. Step 5: Solve for x
    x = 52,910,160,680.65/303,290.64
  6. Step 6: Final answer
    x = 174,453.66

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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.