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Finding the Fourth Proportional to 481,854.54, 664,941.33 and 277,914

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Solution

The fourth proportional to 481,854.54, 664,941.33 and 277,914 is: 383,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,854.54 : 664,941.33 = 277,914 : x
  2. Step 2: Convert to fraction form
    481,854.54/664,941.33 = 277,914/x
  3. Step 3: Cross multiply
    481,854.54x = 664,941.33 × 277,914
  4. Step 4: Simplify right side
    481,854.54x = 184,796,504,785.62
  5. Step 5: Solve for x
    x = 184,796,504,785.62/481,854.54
  6. Step 6: Final answer
    x = 383,510.98

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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.