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Finding the Fourth Proportional to 263.97, 364.08 and 259.92

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Solution

The fourth proportional to 263.97, 364.08 and 259.92 is: 358.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.97 : 364.08 = 259.92 : x
  2. Step 2: Convert to fraction form
    263.97/364.08 = 259.92/x
  3. Step 3: Cross multiply
    263.97x = 364.08 × 259.92
  4. Step 4: Simplify right side
    263.97x = 94,631.67
  5. Step 5: Solve for x
    x = 94,631.67/263.97
  6. Step 6: Final answer
    x = 358.49

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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.