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Finding the Fourth Proportional to 264.76, 394.94 and 235.60

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Solution

The fourth proportional to 264.76, 394.94 and 235.60 is: 351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.76 : 394.94 = 235.60 : x
  2. Step 2: Convert to fraction form
    264.76/394.94 = 235.60/x
  3. Step 3: Cross multiply
    264.76x = 394.94 × 235.60
  4. Step 4: Simplify right side
    264.76x = 93,047.86
  5. Step 5: Solve for x
    x = 93,047.86/264.76
  6. Step 6: Final answer
    x = 351.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.