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Finding the Fourth Proportional to 478,960.41, 660,951.20 and 264,100.41

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Solution

The fourth proportional to 478,960.41, 660,951.20 and 264,100.41 is: 364,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,960.41 : 660,951.20 = 264,100.41 : x
  2. Step 2: Convert to fraction form
    478,960.41/660,951.20 = 264,100.41/x
  3. Step 3: Cross multiply
    478,960.41x = 660,951.20 × 264,100.41
  4. Step 4: Simplify right side
    478,960.41x = 174,557,481,589.49
  5. Step 5: Solve for x
    x = 174,557,481,589.49/478,960.41
  6. Step 6: Final answer
    x = 364,450.75

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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.