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Finding the Fourth Proportional to 262.64, 362.24 and 174.16

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Solution

The fourth proportional to 262.64, 362.24 and 174.16 is: 240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.64 : 362.24 = 174.16 : x
  2. Step 2: Convert to fraction form
    262.64/362.24 = 174.16/x
  3. Step 3: Cross multiply
    262.64x = 362.24 × 174.16
  4. Step 4: Simplify right side
    262.64x = 63,087.72
  5. Step 5: Solve for x
    x = 63,087.72/262.64
  6. Step 6: Final answer
    x = 240.21

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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.