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Finding the Fourth Proportional to 675.96, 1,014.08 and 237.28

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Solution

The fourth proportional to 675.96, 1,014.08 and 237.28 is: 355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    675.96 : 1,014.08 = 237.28 : x
  2. Step 2: Convert to fraction form
    675.96/1,014.08 = 237.28/x
  3. Step 3: Cross multiply
    675.96x = 1,014.08 × 237.28
  4. Step 4: Simplify right side
    675.96x = 240,620.90
  5. Step 5: Solve for x
    x = 240,620.90/675.96
  6. Step 6: Final answer
    x = 355.97

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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.