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Finding the Fourth Proportional to 336,245.20, 504,643.20 and 333,620.80

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Solution

The fourth proportional to 336,245.20, 504,643.20 and 333,620.80 is: 500,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,245.20 : 504,643.20 = 333,620.80 : x
  2. Step 2: Convert to fraction form
    336,245.20/504,643.20 = 333,620.80/x
  3. Step 3: Cross multiply
    336,245.20x = 504,643.20 × 333,620.80
  4. Step 4: Simplify right side
    336,245.20x = 168,359,468,098.56
  5. Step 5: Solve for x
    x = 168,359,468,098.56/336,245.20
  6. Step 6: Final answer
    x = 500,704.45

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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.