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Finding the Fourth Proportional to 1,467.33, 2,200.54 and 493.21

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Solution

The fourth proportional to 1,467.33, 2,200.54 and 493.21 is: 739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.33 : 2,200.54 = 493.21 : x
  2. Step 2: Convert to fraction form
    1,467.33/2,200.54 = 493.21/x
  3. Step 3: Cross multiply
    1,467.33x = 2,200.54 × 493.21
  4. Step 4: Simplify right side
    1,467.33x = 1,085,316.10
  5. Step 5: Solve for x
    x = 1,085,316.10/1,467.33
  6. Step 6: Final answer
    x = 739.65

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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.