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Finding the Fourth Proportional to 1,518.33, 2,276.99 and 593.65

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Solution

The fourth proportional to 1,518.33, 2,276.99 and 593.65 is: 890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.33 : 2,276.99 = 593.65 : x
  2. Step 2: Convert to fraction form
    1,518.33/2,276.99 = 593.65/x
  3. Step 3: Cross multiply
    1,518.33x = 2,276.99 × 593.65
  4. Step 4: Simplify right side
    1,518.33x = 1,351,735.11
  5. Step 5: Solve for x
    x = 1,351,735.11/1,518.33
  6. Step 6: Final answer
    x = 890.28

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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.