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Finding the Fourth Proportional to 481,321.33, 664,292.94 and 277,333.18

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Solution

The fourth proportional to 481,321.33, 664,292.94 and 277,333.18 is: 382,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,321.33 : 664,292.94 = 277,333.18 : x
  2. Step 2: Convert to fraction form
    481,321.33/664,292.94 = 277,333.18/x
  3. Step 3: Cross multiply
    481,321.33x = 664,292.94 × 277,333.18
  4. Step 4: Simplify right side
    481,321.33x = 184,230,473,501.75
  5. Step 5: Solve for x
    x = 184,230,473,501.75/481,321.33
  6. Step 6: Final answer
    x = 382,759.84

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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.