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Finding the Fourth Proportional to 1,676.26, 2,514.52 and 522

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Solution

The fourth proportional to 1,676.26, 2,514.52 and 522 is: 783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.26 : 2,514.52 = 522 : x
  2. Step 2: Convert to fraction form
    1,676.26/2,514.52 = 522/x
  3. Step 3: Cross multiply
    1,676.26x = 2,514.52 × 522
  4. Step 4: Simplify right side
    1,676.26x = 1,312,579.44
  5. Step 5: Solve for x
    x = 1,312,579.44/1,676.26
  6. Step 6: Final answer
    x = 783.04

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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.