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Finding the Fourth Proportional to 263.34, 396.77 and 237.69

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Solution

The fourth proportional to 263.34, 396.77 and 237.69 is: 358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.34 : 396.77 = 237.69 : x
  2. Step 2: Convert to fraction form
    263.34/396.77 = 237.69/x
  3. Step 3: Cross multiply
    263.34x = 396.77 × 237.69
  4. Step 4: Simplify right side
    263.34x = 94,307.07
  5. Step 5: Solve for x
    x = 94,307.07/263.34
  6. Step 6: Final answer
    x = 358.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.