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Finding the Fourth Proportional to 1,524.56, 2,286.82 and 370.32

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Solution

The fourth proportional to 1,524.56, 2,286.82 and 370.32 is: 555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.56 : 2,286.82 = 370.32 : x
  2. Step 2: Convert to fraction form
    1,524.56/2,286.82 = 370.32/x
  3. Step 3: Cross multiply
    1,524.56x = 2,286.82 × 370.32
  4. Step 4: Simplify right side
    1,524.56x = 846,855.18
  5. Step 5: Solve for x
    x = 846,855.18/1,524.56
  6. Step 6: Final answer
    x = 555.48

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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.