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Finding the Fourth Proportional to 321,900.76, 444,244.28 and 185,940.44

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Solution

The fourth proportional to 321,900.76, 444,244.28 and 185,940.44 is: 256,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,900.76 : 444,244.28 = 185,940.44 : x
  2. Step 2: Convert to fraction form
    321,900.76/444,244.28 = 185,940.44/x
  3. Step 3: Cross multiply
    321,900.76x = 444,244.28 × 185,940.44
  4. Step 4: Simplify right side
    321,900.76x = 82,602,976,890.68
  5. Step 5: Solve for x
    x = 82,602,976,890.68/321,900.76
  6. Step 6: Final answer
    x = 256,610.07

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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.