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Finding the Fourth Proportional to 958.26, 1,437.25 and 308.91

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Solution

The fourth proportional to 958.26, 1,437.25 and 308.91 is: 463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.26 : 1,437.25 = 308.91 : x
  2. Step 2: Convert to fraction form
    958.26/1,437.25 = 308.91/x
  3. Step 3: Cross multiply
    958.26x = 1,437.25 × 308.91
  4. Step 4: Simplify right side
    958.26x = 443,980.90
  5. Step 5: Solve for x
    x = 443,980.90/958.26
  6. Step 6: Final answer
    x = 463.32

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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.