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Finding the Fourth Proportional to 774.96, 1,163.95 and 601.97

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Solution

The fourth proportional to 774.96, 1,163.95 and 601.97 is: 904.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    774.96 : 1,163.95 = 601.97 : x
  2. Step 2: Convert to fraction form
    774.96/1,163.95 = 601.97/x
  3. Step 3: Cross multiply
    774.96x = 1,163.95 × 601.97
  4. Step 4: Simplify right side
    774.96x = 700,662.98
  5. Step 5: Solve for x
    x = 700,662.98/774.96
  6. Step 6: Final answer
    x = 904.13

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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.