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Finding the Fourth Proportional to 1,467.99, 2,202.23 and 543.54

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Solution

The fourth proportional to 1,467.99, 2,202.23 and 543.54 is: 815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.99 : 2,202.23 = 543.54 : x
  2. Step 2: Convert to fraction form
    1,467.99/2,202.23 = 543.54/x
  3. Step 3: Cross multiply
    1,467.99x = 2,202.23 × 543.54
  4. Step 4: Simplify right side
    1,467.99x = 1,197,000.09
  5. Step 5: Solve for x
    x = 1,197,000.09/1,467.99
  6. Step 6: Final answer
    x = 815.40

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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.