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Finding the Fourth Proportional to 950.70, 1,426.03 and 437.70

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Solution

The fourth proportional to 950.70, 1,426.03 and 437.70 is: 656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.70 : 1,426.03 = 437.70 : x
  2. Step 2: Convert to fraction form
    950.70/1,426.03 = 437.70/x
  3. Step 3: Cross multiply
    950.70x = 1,426.03 × 437.70
  4. Step 4: Simplify right side
    950.70x = 624,173.33
  5. Step 5: Solve for x
    x = 624,173.33/950.70
  6. Step 6: Final answer
    x = 656.54

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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.