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Finding the Fourth Proportional to 336,517.20, 505,051.20 and 333,892.80

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Solution

The fourth proportional to 336,517.20, 505,051.20 and 333,892.80 is: 501,112.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,517.20 : 505,051.20 = 333,892.80 : x
  2. Step 2: Convert to fraction form
    336,517.20/505,051.20 = 333,892.80/x
  3. Step 3: Cross multiply
    336,517.20x = 505,051.20 × 333,892.80
  4. Step 4: Simplify right side
    336,517.20x = 168,632,959,311.36
  5. Step 5: Solve for x
    x = 168,632,959,311.36/336,517.20
  6. Step 6: Final answer
    x = 501,112.45

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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.