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Finding the Fourth Proportional to 364.12, 502.62 and 266.38

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Solution

The fourth proportional to 364.12, 502.62 and 266.38 is: 367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.12 : 502.62 = 266.38 : x
  2. Step 2: Convert to fraction form
    364.12/502.62 = 266.38/x
  3. Step 3: Cross multiply
    364.12x = 502.62 × 266.38
  4. Step 4: Simplify right side
    364.12x = 133,887.92
  5. Step 5: Solve for x
    x = 133,887.92/364.12
  6. Step 6: Final answer
    x = 367.70

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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.