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Finding the Fourth Proportional to 675.52, 1,013.26 and 367.52

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Solution

The fourth proportional to 675.52, 1,013.26 and 367.52 is: 551.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.52 : 1,013.26 = 367.52 : x
  2. Step 2: Convert to fraction form
    675.52/1,013.26 = 367.52/x
  3. Step 3: Cross multiply
    675.52x = 1,013.26 × 367.52
  4. Step 4: Simplify right side
    675.52x = 372,393.32
  5. Step 5: Solve for x
    x = 372,393.32/675.52
  6. Step 6: Final answer
    x = 551.27

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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.