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Finding the Fourth Proportional to 1,523.44, 2,285.16 and 369.19

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Solution

The fourth proportional to 1,523.44, 2,285.16 and 369.19 is: 553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.44 : 2,285.16 = 369.19 : x
  2. Step 2: Convert to fraction form
    1,523.44/2,285.16 = 369.19/x
  3. Step 3: Cross multiply
    1,523.44x = 2,285.16 × 369.19
  4. Step 4: Simplify right side
    1,523.44x = 843,658.22
  5. Step 5: Solve for x
    x = 843,658.22/1,523.44
  6. Step 6: Final answer
    x = 553.79

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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.