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Finding the Fourth Proportional to 512,509.62, 768,767.17 and 336,133.54

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Solution

The fourth proportional to 512,509.62, 768,767.17 and 336,133.54 is: 504,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,509.62 : 768,767.17 = 336,133.54 : x
  2. Step 2: Convert to fraction form
    512,509.62/768,767.17 = 336,133.54/x
  3. Step 3: Cross multiply
    512,509.62x = 768,767.17 × 336,133.54
  4. Step 4: Simplify right side
    512,509.62x = 258,408,427,525.63
  5. Step 5: Solve for x
    x = 258,408,427,525.63/512,509.62
  6. Step 6: Final answer
    x = 504,202.10

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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.