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Finding the Fourth Proportional to 303,287.22, 454,891.30 and 90,050.85

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Solution

The fourth proportional to 303,287.22, 454,891.30 and 90,050.85 is: 135,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,287.22 : 454,891.30 = 90,050.85 : x
  2. Step 2: Convert to fraction form
    303,287.22/454,891.30 = 90,050.85/x
  3. Step 3: Cross multiply
    303,287.22x = 454,891.30 × 90,050.85
  4. Step 4: Simplify right side
    303,287.22x = 40,963,348,222.61
  5. Step 5: Solve for x
    x = 40,963,348,222.61/303,287.22
  6. Step 6: Final answer
    x = 135,064.54

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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.