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Finding the Fourth Proportional to 533,918.72, 800,048.64 and 336,512

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Solution

The fourth proportional to 533,918.72, 800,048.64 and 336,512 is: 504,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,918.72 : 800,048.64 = 336,512 : x
  2. Step 2: Convert to fraction form
    533,918.72/800,048.64 = 336,512/x
  3. Step 3: Cross multiply
    533,918.72x = 800,048.64 × 336,512
  4. Step 4: Simplify right side
    533,918.72x = 269,225,967,943.68
  5. Step 5: Solve for x
    x = 269,225,967,943.68/533,918.72
  6. Step 6: Final answer
    x = 504,245.23

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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.