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Finding the Fourth Proportional to 367.16, 506.59 and 268.74

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Solution

The fourth proportional to 367.16, 506.59 and 268.74 is: 370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.16 : 506.59 = 268.74 : x
  2. Step 2: Convert to fraction form
    367.16/506.59 = 268.74/x
  3. Step 3: Cross multiply
    367.16x = 506.59 × 268.74
  4. Step 4: Simplify right side
    367.16x = 136,140.32
  5. Step 5: Solve for x
    x = 136,140.32/367.16
  6. Step 6: Final answer
    x = 370.80

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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.