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Finding the Fourth Proportional to 483,500.64, 667,215.84 and 265,708.80

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Solution

The fourth proportional to 483,500.64, 667,215.84 and 265,708.80 is: 366,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,500.64 : 667,215.84 = 265,708.80 : x
  2. Step 2: Convert to fraction form
    483,500.64/667,215.84 = 265,708.80/x
  3. Step 3: Cross multiply
    483,500.64x = 667,215.84 × 265,708.80
  4. Step 4: Simplify right side
    483,500.64x = 177,285,120,187.39
  5. Step 5: Solve for x
    x = 177,285,120,187.39/483,500.64
  6. Step 6: Final answer
    x = 366,669.88

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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.