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Finding the Fourth Proportional to 463, 694.74 and 235

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Solution

The fourth proportional to 463, 694.74 and 235 is: 352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    463 : 694.74 = 235 : x
  2. Step 2: Convert to fraction form
    463/694.74 = 235/x
  3. Step 3: Cross multiply
    463x = 694.74 × 235
  4. Step 4: Simplify right side
    463x = 163,263.90
  5. Step 5: Solve for x
    x = 163,263.90/463
  6. Step 6: Final answer
    x = 352.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.