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Finding the Fourth Proportional to 2,203.44, 3,305.07 and 904.88

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Solution

The fourth proportional to 2,203.44, 3,305.07 and 904.88 is: 1,357.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.44 : 3,305.07 = 904.88 : x
  2. Step 2: Convert to fraction form
    2,203.44/3,305.07 = 904.88/x
  3. Step 3: Cross multiply
    2,203.44x = 3,305.07 × 904.88
  4. Step 4: Simplify right side
    2,203.44x = 2,990,675.22
  5. Step 5: Solve for x
    x = 2,990,675.22/2,203.44
  6. Step 6: Final answer
    x = 1,357.28

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1.5x scale

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.