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Finding the Fourth Proportional to 462.21, 637.56 and 337.61

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Solution

The fourth proportional to 462.21, 637.56 and 337.61 is: 465.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    462.21 : 637.56 = 337.61 : x
  2. Step 2: Convert to fraction form
    462.21/637.56 = 337.61/x
  3. Step 3: Cross multiply
    462.21x = 637.56 × 337.61
  4. Step 4: Simplify right side
    462.21x = 215,243.44
  5. Step 5: Solve for x
    x = 215,243.44/462.21
  6. Step 6: Final answer
    x = 465.68

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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.