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Finding the Fourth Proportional to 327,632.21, 451,959.04 and 225,480.32

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Solution

The fourth proportional to 327,632.21, 451,959.04 and 225,480.32 is: 311,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,632.21 : 451,959.04 = 225,480.32 : x
  2. Step 2: Convert to fraction form
    327,632.21/451,959.04 = 225,480.32/x
  3. Step 3: Cross multiply
    327,632.21x = 451,959.04 × 225,480.32
  4. Step 4: Simplify right side
    327,632.21x = 101,907,870,368.30
  5. Step 5: Solve for x
    x = 101,907,870,368.30/327,632.21
  6. Step 6: Final answer
    x = 311,043.50

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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.