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Finding the Fourth Proportional to 481,162.20, 664,034.64 and 277,209.42

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Solution

The fourth proportional to 481,162.20, 664,034.64 and 277,209.42 is: 382,566.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,162.20 : 664,034.64 = 277,209.42 : x
  2. Step 2: Convert to fraction form
    481,162.20/664,034.64 = 277,209.42/x
  3. Step 3: Cross multiply
    481,162.20x = 664,034.64 × 277,209.42
  4. Step 4: Simplify right side
    481,162.20x = 184,076,657,414.31
  5. Step 5: Solve for x
    x = 184,076,657,414.31/481,162.20
  6. Step 6: Final answer
    x = 382,566.75

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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.