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Finding the Fourth Proportional to 321,959.04, 444,281.23 and 178,707.80

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Solution

The fourth proportional to 321,959.04, 444,281.23 and 178,707.80 is: 246,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,959.04 : 444,281.23 = 178,707.80 : x
  2. Step 2: Convert to fraction form
    321,959.04/444,281.23 = 178,707.80/x
  3. Step 3: Cross multiply
    321,959.04x = 444,281.23 × 178,707.80
  4. Step 4: Simplify right side
    321,959.04x = 79,396,522,528.68
  5. Step 5: Solve for x
    x = 79,396,522,528.68/321,959.04
  6. Step 6: Final answer
    x = 246,604.42

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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.