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Finding the Fourth Proportional to 1,644.17, 2,467.20 and 604.03

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Solution

The fourth proportional to 1,644.17, 2,467.20 and 604.03 is: 906.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.17 : 2,467.20 = 604.03 : x
  2. Step 2: Convert to fraction form
    1,644.17/2,467.20 = 604.03/x
  3. Step 3: Cross multiply
    1,644.17x = 2,467.20 × 604.03
  4. Step 4: Simplify right side
    1,644.17x = 1,490,262.82
  5. Step 5: Solve for x
    x = 1,490,262.82/1,644.17
  6. Step 6: Final answer
    x = 906.39

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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.