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Finding the Fourth Proportional to 262.96, 362.94 and 152.43

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Solution

The fourth proportional to 262.96, 362.94 and 152.43 is: 210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.96 : 362.94 = 152.43 : x
  2. Step 2: Convert to fraction form
    262.96/362.94 = 152.43/x
  3. Step 3: Cross multiply
    262.96x = 362.94 × 152.43
  4. Step 4: Simplify right side
    262.96x = 55,322.94
  5. Step 5: Solve for x
    x = 55,322.94/262.96
  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.