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Finding the Fourth Proportional to 321,022.80, 481,404.60 and 110,552.40

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Solution

The fourth proportional to 321,022.80, 481,404.60 and 110,552.40 is: 165,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,022.80 : 481,404.60 = 110,552.40 : x
  2. Step 2: Convert to fraction form
    321,022.80/481,404.60 = 110,552.40/x
  3. Step 3: Cross multiply
    321,022.80x = 481,404.60 × 110,552.40
  4. Step 4: Simplify right side
    321,022.80x = 53,220,433,901.04
  5. Step 5: Solve for x
    x = 53,220,433,901.04/321,022.80
  6. Step 6: Final answer
    x = 165,783.97

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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.