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Finding the Fourth Proportional to 1,523.99, 2,286.15 and 599.42

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Solution

The fourth proportional to 1,523.99, 2,286.15 and 599.42 is: 899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523.99 : 2,286.15 = 599.42 : x
  2. Step 2: Convert to fraction form
    1,523.99/2,286.15 = 599.42/x
  3. Step 3: Cross multiply
    1,523.99x = 2,286.15 × 599.42
  4. Step 4: Simplify right side
    1,523.99x = 1,370,370.87
  5. Step 5: Solve for x
    x = 1,370,370.87/1,523.99
  6. Step 6: Final answer
    x = 899.20

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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.