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Finding the Fourth Proportional to 483,555.56, 667,321.70 and 265,760.28

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Solution

The fourth proportional to 483,555.56, 667,321.70 and 265,760.28 is: 366,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,555.56 : 667,321.70 = 265,760.28 : x
  2. Step 2: Convert to fraction form
    483,555.56/667,321.70 = 265,760.28/x
  3. Step 3: Cross multiply
    483,555.56x = 667,321.70 × 265,760.28
  4. Step 4: Simplify right side
    483,555.56x = 177,347,601,842.08
  5. Step 5: Solve for x
    x = 177,347,601,842.08/483,555.56
  6. Step 6: Final answer
    x = 366,757.45

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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.