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Finding the Fourth Proportional to 950.18, 1,310.96 and 577.04

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Solution

The fourth proportional to 950.18, 1,310.96 and 577.04 is: 796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.18 : 1,310.96 = 577.04 : x
  2. Step 2: Convert to fraction form
    950.18/1,310.96 = 577.04/x
  3. Step 3: Cross multiply
    950.18x = 1,310.96 × 577.04
  4. Step 4: Simplify right side
    950.18x = 756,476.36
  5. Step 5: Solve for x
    x = 756,476.36/950.18
  6. Step 6: Final answer
    x = 796.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.