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Finding the Fourth Proportional to 262.70, 362.50 and 146.26

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Solution

The fourth proportional to 262.70, 362.50 and 146.26 is: 201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.70 : 362.50 = 146.26 : x
  2. Step 2: Convert to fraction form
    262.70/362.50 = 146.26/x
  3. Step 3: Cross multiply
    262.70x = 362.50 × 146.26
  4. Step 4: Simplify right side
    262.70x = 53,019.25
  5. Step 5: Solve for x
    x = 53,019.25/262.70
  6. Step 6: Final answer
    x = 201.82

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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.