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Finding the Fourth Proportional to 1,304.82, 1,799.26 and 1,066.97

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Solution

The fourth proportional to 1,304.82, 1,799.26 and 1,066.97 is: 1,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.82 : 1,799.26 = 1,066.97 : x
  2. Step 2: Convert to fraction form
    1,304.82/1,799.26 = 1,066.97/x
  3. Step 3: Cross multiply
    1,304.82x = 1,799.26 × 1,066.97
  4. Step 4: Simplify right side
    1,304.82x = 1,919,758.27
  5. Step 5: Solve for x
    x = 1,919,758.27/1,304.82
  6. Step 6: Final answer
    x = 1,471.28

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1.5x scale

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.