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Finding the Fourth Proportional to 1,467.76, 2,200.20 and 602.68

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Solution

The fourth proportional to 1,467.76, 2,200.20 and 602.68 is: 903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.76 : 2,200.20 = 602.68 : x
  2. Step 2: Convert to fraction form
    1,467.76/2,200.20 = 602.68/x
  3. Step 3: Cross multiply
    1,467.76x = 2,200.20 × 602.68
  4. Step 4: Simplify right side
    1,467.76x = 1,326,016.54
  5. Step 5: Solve for x
    x = 1,326,016.54/1,467.76
  6. Step 6: Final answer
    x = 903.43

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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.