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Finding the Fourth Proportional to 696.94, 962.08 and 435.11

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Solution

The fourth proportional to 696.94, 962.08 and 435.11 is: 600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.94 : 962.08 = 435.11 : x
  2. Step 2: Convert to fraction form
    696.94/962.08 = 435.11/x
  3. Step 3: Cross multiply
    696.94x = 962.08 × 435.11
  4. Step 4: Simplify right side
    696.94x = 418,604.73
  5. Step 5: Solve for x
    x = 418,604.73/696.94
  6. Step 6: Final answer
    x = 600.63

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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.