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Finding the Fourth Proportional to 1,467.65, 2,200.69 and 543.03

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Solution

The fourth proportional to 1,467.65, 2,200.69 and 543.03 is: 814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.65 : 2,200.69 = 543.03 : x
  2. Step 2: Convert to fraction form
    1,467.65/2,200.69 = 543.03/x
  3. Step 3: Cross multiply
    1,467.65x = 2,200.69 × 543.03
  4. Step 4: Simplify right side
    1,467.65x = 1,195,040.69
  5. Step 5: Solve for x
    x = 1,195,040.69/1,467.65
  6. Step 6: Final answer
    x = 814.25

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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.