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Finding the Fourth Proportional to 262.89, 362.84 and 152.44

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Solution

The fourth proportional to 262.89, 362.84 and 152.44 is: 210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.89 : 362.84 = 152.44 : x
  2. Step 2: Convert to fraction form
    262.89/362.84 = 152.44/x
  3. Step 3: Cross multiply
    262.89x = 362.84 × 152.44
  4. Step 4: Simplify right side
    262.89x = 55,308.75
  5. Step 5: Solve for x
    x = 55,308.75/262.89
  6. Step 6: Final answer
    x = 210.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.