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Finding the Fourth Proportional to 481,851.54, 664,937.19 and 277,911

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Solution

The fourth proportional to 481,851.54, 664,937.19 and 277,911 is: 383,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,851.54 : 664,937.19 = 277,911 : x
  2. Step 2: Convert to fraction form
    481,851.54/664,937.19 = 277,911/x
  3. Step 3: Cross multiply
    481,851.54x = 664,937.19 × 277,911
  4. Step 4: Simplify right side
    481,851.54x = 184,793,359,410.09
  5. Step 5: Solve for x
    x = 184,793,359,410.09/481,851.54
  6. Step 6: Final answer
    x = 383,506.84

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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.