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Finding the Fourth Proportional to 1,675.70, 2,514.16 and 580.18

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Solution

The fourth proportional to 1,675.70, 2,514.16 and 580.18 is: 870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.70 : 2,514.16 = 580.18 : x
  2. Step 2: Convert to fraction form
    1,675.70/2,514.16 = 580.18/x
  3. Step 3: Cross multiply
    1,675.70x = 2,514.16 × 580.18
  4. Step 4: Simplify right side
    1,675.70x = 1,458,665.35
  5. Step 5: Solve for x
    x = 1,458,665.35/1,675.70
  6. Step 6: Final answer
    x = 870.48

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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.