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Finding the Fourth Proportional to 321,000.44, 481,499.54 and 96,359.97

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Solution

The fourth proportional to 321,000.44, 481,499.54 and 96,359.97 is: 144,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,000.44 : 481,499.54 = 96,359.97 : x
  2. Step 2: Convert to fraction form
    321,000.44/481,499.54 = 96,359.97/x
  3. Step 3: Cross multiply
    321,000.44x = 481,499.54 × 96,359.97
  4. Step 4: Simplify right side
    321,000.44x = 46,397,281,229.41
  5. Step 5: Solve for x
    x = 46,397,281,229.41/321,000.44
  6. Step 6: Final answer
    x = 144,539.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.