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Finding the Fourth Proportional to 483,185.32, 666,604.49 and 279,198.63

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Solution

The fourth proportional to 483,185.32, 666,604.49 and 279,198.63 is: 385,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,185.32 : 666,604.49 = 279,198.63 : x
  2. Step 2: Convert to fraction form
    483,185.32/666,604.49 = 279,198.63/x
  3. Step 3: Cross multiply
    483,185.32x = 666,604.49 × 279,198.63
  4. Step 4: Simplify right side
    483,185.32x = 186,115,058,963.86
  5. Step 5: Solve for x
    x = 186,115,058,963.86/483,185.32
  6. Step 6: Final answer
    x = 385,183.60

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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.