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Finding the Fourth Proportional to 1,680.83, 2,522.26 and 585.97

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Solution

The fourth proportional to 1,680.83, 2,522.26 and 585.97 is: 879.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.83 : 2,522.26 = 585.97 : x
  2. Step 2: Convert to fraction form
    1,680.83/2,522.26 = 585.97/x
  3. Step 3: Cross multiply
    1,680.83x = 2,522.26 × 585.97
  4. Step 4: Simplify right side
    1,680.83x = 1,477,968.69
  5. Step 5: Solve for x
    x = 1,477,968.69/1,680.83
  6. Step 6: Final answer
    x = 879.31

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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.