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Finding the Fourth Proportional to 321,806.97, 444,259.04 and 226,738.08

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Solution

The fourth proportional to 321,806.97, 444,259.04 and 226,738.08 is: 313,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,806.97 : 444,259.04 = 226,738.08 : x
  2. Step 2: Convert to fraction form
    321,806.97/444,259.04 = 226,738.08/x
  3. Step 3: Cross multiply
    321,806.97x = 444,259.04 × 226,738.08
  4. Step 4: Simplify right side
    321,806.97x = 100,730,440,618.55
  5. Step 5: Solve for x
    x = 100,730,440,618.55/321,806.97
  6. Step 6: Final answer
    x = 313,015.10

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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.