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Finding the Fourth Proportional to 624.26, 937.23 and 404.90

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Solution

The fourth proportional to 624.26, 937.23 and 404.90 is: 607.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.26 : 937.23 = 404.90 : x
  2. Step 2: Convert to fraction form
    624.26/937.23 = 404.90/x
  3. Step 3: Cross multiply
    624.26x = 937.23 × 404.90
  4. Step 4: Simplify right side
    624.26x = 379,484.43
  5. Step 5: Solve for x
    x = 379,484.43/624.26
  6. Step 6: Final answer
    x = 607.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.