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Finding the Fourth Proportional to 483,907.88, 667,809.69 and 269,057

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Solution

The fourth proportional to 483,907.88, 667,809.69 and 269,057 is: 371,308.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,907.88 : 667,809.69 = 269,057 : x
  2. Step 2: Convert to fraction form
    483,907.88/667,809.69 = 269,057/x
  3. Step 3: Cross multiply
    483,907.88x = 667,809.69 × 269,057
  4. Step 4: Simplify right side
    483,907.88x = 179,678,871,762.33
  5. Step 5: Solve for x
    x = 179,678,871,762.33/483,907.88
  6. Step 6: Final answer
    x = 371,308.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.