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Finding the Fourth Proportional to 1,074.01, 1,481.88 and 608.26

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Solution

The fourth proportional to 1,074.01, 1,481.88 and 608.26 is: 839.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074.01 : 1,481.88 = 608.26 : x
  2. Step 2: Convert to fraction form
    1,074.01/1,481.88 = 608.26/x
  3. Step 3: Cross multiply
    1,074.01x = 1,481.88 × 608.26
  4. Step 4: Simplify right side
    1,074.01x = 901,368.33
  5. Step 5: Solve for x
    x = 901,368.33/1,074.01
  6. Step 6: Final answer
    x = 839.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.