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Finding the Fourth Proportional to 697.16, 962.04 and 382.41

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Solution

The fourth proportional to 697.16, 962.04 and 382.41 is: 527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.16 : 962.04 = 382.41 : x
  2. Step 2: Convert to fraction form
    697.16/962.04 = 382.41/x
  3. Step 3: Cross multiply
    697.16x = 962.04 × 382.41
  4. Step 4: Simplify right side
    697.16x = 367,893.72
  5. Step 5: Solve for x
    x = 367,893.72/697.16
  6. Step 6: Final answer
    x = 527.71

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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.