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Finding the Fourth Proportional to 775.22, 1,162.25 and 467.00

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Solution

The fourth proportional to 775.22, 1,162.25 and 467.00 is: 700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    775.22 : 1,162.25 = 467.00 : x
  2. Step 2: Convert to fraction form
    775.22/1,162.25 = 467.00/x
  3. Step 3: Cross multiply
    775.22x = 1,162.25 × 467.00
  4. Step 4: Simplify right side
    775.22x = 542,774.82
  5. Step 5: Solve for x
    x = 542,774.82/775.22
  6. Step 6: Final answer
    x = 700.15

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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.