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Finding the Fourth Proportional to 958.14, 1,437.21 and 634.14

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Solution

The fourth proportional to 958.14, 1,437.21 and 634.14 is: 951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.14 : 1,437.21 = 634.14 : x
  2. Step 2: Convert to fraction form
    958.14/1,437.21 = 634.14/x
  3. Step 3: Cross multiply
    958.14x = 1,437.21 × 634.14
  4. Step 4: Simplify right side
    958.14x = 911,392.35
  5. Step 5: Solve for x
    x = 911,392.35/958.14
  6. Step 6: Final answer
    x = 951.21

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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.