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Finding the Fourth Proportional to 483,213.42, 666,816.26 and 268,367.32

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Solution

The fourth proportional to 483,213.42, 666,816.26 and 268,367.32 is: 370,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,213.42 : 666,816.26 = 268,367.32 : x
  2. Step 2: Convert to fraction form
    483,213.42/666,816.26 = 268,367.32/x
  3. Step 3: Cross multiply
    483,213.42x = 666,816.26 × 268,367.32
  4. Step 4: Simplify right side
    483,213.42x = 178,951,692,120.31
  5. Step 5: Solve for x
    x = 178,951,692,120.31/483,213.42
  6. Step 6: Final answer
    x = 370,336.76

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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.