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Finding the Fourth Proportional to 1,675.74, 2,514.30 and 580.88

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Solution

The fourth proportional to 1,675.74, 2,514.30 and 580.88 is: 871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.74 : 2,514.30 = 580.88 : x
  2. Step 2: Convert to fraction form
    1,675.74/2,514.30 = 580.88/x
  3. Step 3: Cross multiply
    1,675.74x = 2,514.30 × 580.88
  4. Step 4: Simplify right side
    1,675.74x = 1,460,506.58
  5. Step 5: Solve for x
    x = 1,460,506.58/1,675.74
  6. Step 6: Final answer
    x = 871.56

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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.