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Finding the Fourth Proportional to 774.36, 1,162.13 and 466.56

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Solution

The fourth proportional to 774.36, 1,162.13 and 466.56 is: 700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    774.36 : 1,162.13 = 466.56 : x
  2. Step 2: Convert to fraction form
    774.36/1,162.13 = 466.56/x
  3. Step 3: Cross multiply
    774.36x = 1,162.13 × 466.56
  4. Step 4: Simplify right side
    774.36x = 542,201.04
  5. Step 5: Solve for x
    x = 542,201.04/774.36
  6. Step 6: Final answer
    x = 700.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.