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Finding the Fourth Proportional to 1,090.06, 1,633.75 and 504.26

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Solution

The fourth proportional to 1,090.06, 1,633.75 and 504.26 is: 755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.06 : 1,633.75 = 504.26 : x
  2. Step 2: Convert to fraction form
    1,090.06/1,633.75 = 504.26/x
  3. Step 3: Cross multiply
    1,090.06x = 1,633.75 × 504.26
  4. Step 4: Simplify right side
    1,090.06x = 823,837.60
  5. Step 5: Solve for x
    x = 823,837.60/1,090.06
  6. Step 6: Final answer
    x = 755.77

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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.