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Finding the Fourth Proportional to 696.05, 955.05 and 689.52

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Solution

The fourth proportional to 696.05, 955.05 and 689.52 is: 946.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.05 : 955.05 = 689.52 : x
  2. Step 2: Convert to fraction form
    696.05/955.05 = 689.52/x
  3. Step 3: Cross multiply
    696.05x = 955.05 × 689.52
  4. Step 4: Simplify right side
    696.05x = 658,526.08
  5. Step 5: Solve for x
    x = 658,526.08/696.05
  6. Step 6: Final answer
    x = 946.09

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.