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Finding the Fourth Proportional to 481,172.08, 664,041.09 and 277,255.03

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Solution

The fourth proportional to 481,172.08, 664,041.09 and 277,255.03 is: 382,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,172.08 : 664,041.09 = 277,255.03 : x
  2. Step 2: Convert to fraction form
    481,172.08/664,041.09 = 277,255.03/x
  3. Step 3: Cross multiply
    481,172.08x = 664,041.09 × 277,255.03
  4. Step 4: Simplify right side
    481,172.08x = 184,108,732,329.18
  5. Step 5: Solve for x
    x = 184,108,732,329.18/481,172.08
  6. Step 6: Final answer
    x = 382,625.55

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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.