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Finding the Fourth Proportional to 481,219.56, 664,230.87 and 277,406.82

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Solution

The fourth proportional to 481,219.56, 664,230.87 and 277,406.82 is: 382,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,219.56 : 664,230.87 = 277,406.82 : x
  2. Step 2: Convert to fraction form
    481,219.56/664,230.87 = 277,406.82/x
  3. Step 3: Cross multiply
    481,219.56x = 664,230.87 × 277,406.82
  4. Step 4: Simplify right side
    481,219.56x = 184,262,173,392.53
  5. Step 5: Solve for x
    x = 184,262,173,392.53/481,219.56
  6. Step 6: Final answer
    x = 382,906.66

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1.5x scale

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.