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Finding the Fourth Proportional to 336,524.20, 505,061.70 and 333,899.80

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Solution

The fourth proportional to 336,524.20, 505,061.70 and 333,899.80 is: 501,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,524.20 : 505,061.70 = 333,899.80 : x
  2. Step 2: Convert to fraction form
    336,524.20/505,061.70 = 333,899.80/x
  3. Step 3: Cross multiply
    336,524.20x = 505,061.70 × 333,899.80
  4. Step 4: Simplify right side
    336,524.20x = 168,640,000,617.66
  5. Step 5: Solve for x
    x = 168,640,000,617.66/336,524.20
  6. Step 6: Final answer
    x = 501,122.95

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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.