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Finding the Fourth Proportional to 1,067.56, 1,473.30 and 601.84

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Solution

The fourth proportional to 1,067.56, 1,473.30 and 601.84 is: 830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.56 : 1,473.30 = 601.84 : x
  2. Step 2: Convert to fraction form
    1,067.56/1,473.30 = 601.84/x
  3. Step 3: Cross multiply
    1,067.56x = 1,473.30 × 601.84
  4. Step 4: Simplify right side
    1,067.56x = 886,690.87
  5. Step 5: Solve for x
    x = 886,690.87/1,067.56
  6. Step 6: Final answer
    x = 830.58

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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.