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Finding the Fourth Proportional to 321,760.54, 444,028.33 and 176,568.76

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Solution

The fourth proportional to 321,760.54, 444,028.33 and 176,568.76 is: 243,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,760.54 : 444,028.33 = 176,568.76 : x
  2. Step 2: Convert to fraction form
    321,760.54/444,028.33 = 176,568.76/x
  3. Step 3: Cross multiply
    321,760.54x = 444,028.33 × 176,568.76
  4. Step 4: Simplify right side
    321,760.54x = 78,401,531,632.97
  5. Step 5: Solve for x
    x = 78,401,531,632.97/321,760.54
  6. Step 6: Final answer
    x = 243,664.22

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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.