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Finding the Fourth Proportional to 323,018.97, 445,765.71 and 179,775.60

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Solution

The fourth proportional to 323,018.97, 445,765.71 and 179,775.60 is: 248,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,018.97 : 445,765.71 = 179,775.60 : x
  2. Step 2: Convert to fraction form
    323,018.97/445,765.71 = 179,775.60/x
  3. Step 3: Cross multiply
    323,018.97x = 445,765.71 × 179,775.60
  4. Step 4: Simplify right side
    323,018.97x = 80,137,797,974.68
  5. Step 5: Solve for x
    x = 80,137,797,974.68/323,018.97
  6. Step 6: Final answer
    x = 248,090.07

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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.