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Finding the Fourth Proportional to 333,104.42, 499,651.97 and 80,382.80

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Solution

The fourth proportional to 333,104.42, 499,651.97 and 80,382.80 is: 120,573.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,104.42 : 499,651.97 = 80,382.80 : x
  2. Step 2: Convert to fraction form
    333,104.42/499,651.97 = 80,382.80/x
  3. Step 3: Cross multiply
    333,104.42x = 499,651.97 × 80,382.80
  4. Step 4: Simplify right side
    333,104.42x = 40,163,421,473.94
  5. Step 5: Solve for x
    x = 40,163,421,473.94/333,104.42
  6. Step 6: Final answer
    x = 120,573.07

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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.