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Finding the Fourth Proportional to 775.54, 1,163.04 and 467.11

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Solution

The fourth proportional to 775.54, 1,163.04 and 467.11 is: 700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    775.54 : 1,163.04 = 467.11 : x
  2. Step 2: Convert to fraction form
    775.54/1,163.04 = 467.11/x
  3. Step 3: Cross multiply
    775.54x = 1,163.04 × 467.11
  4. Step 4: Simplify right side
    775.54x = 543,267.61
  5. Step 5: Solve for x
    x = 543,267.61/775.54
  6. Step 6: Final answer
    x = 700.50

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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.