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Finding the Fourth Proportional to 262.93, 362.76 and 207.49

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Solution

The fourth proportional to 262.93, 362.76 and 207.49 is: 286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.93 : 362.76 = 207.49 : x
  2. Step 2: Convert to fraction form
    262.93/362.76 = 207.49/x
  3. Step 3: Cross multiply
    262.93x = 362.76 × 207.49
  4. Step 4: Simplify right side
    262.93x = 75,269.07
  5. Step 5: Solve for x
    x = 75,269.07/262.93
  6. Step 6: Final answer
    x = 286.27

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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.