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Finding the Fourth Proportional to 949.26, 1,310.04 and 556.14

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Solution

The fourth proportional to 949.26, 1,310.04 and 556.14 is: 767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    949.26 : 1,310.04 = 556.14 : x
  2. Step 2: Convert to fraction form
    949.26/1,310.04 = 556.14/x
  3. Step 3: Cross multiply
    949.26x = 1,310.04 × 556.14
  4. Step 4: Simplify right side
    949.26x = 728,565.65
  5. Step 5: Solve for x
    x = 728,565.65/949.26
  6. Step 6: Final answer
    x = 767.51

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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.