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Finding the Fourth Proportional to 335,712.20, 503,843.70 and 333,087.80

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Solution

The fourth proportional to 335,712.20, 503,843.70 and 333,087.80 is: 499,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,712.20 : 503,843.70 = 333,087.80 : x
  2. Step 2: Convert to fraction form
    335,712.20/503,843.70 = 333,087.80/x
  3. Step 3: Cross multiply
    335,712.20x = 503,843.70 × 333,087.80
  4. Step 4: Simplify right side
    335,712.20x = 167,824,189,576.86
  5. Step 5: Solve for x
    x = 167,824,189,576.86/335,712.20
  6. Step 6: Final answer
    x = 499,904.95

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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.