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Finding the Fourth Proportional to 697.56, 962.82 and 464.76

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Solution

The fourth proportional to 697.56, 962.82 and 464.76 is: 641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.56 : 962.82 = 464.76 : x
  2. Step 2: Convert to fraction form
    697.56/962.82 = 464.76/x
  3. Step 3: Cross multiply
    697.56x = 962.82 × 464.76
  4. Step 4: Simplify right side
    697.56x = 447,480.22
  5. Step 5: Solve for x
    x = 447,480.22/697.56
  6. Step 6: Final answer
    x = 641.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.