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Finding the Fourth Proportional to 467.22, 700.36 and 261.88

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Solution

The fourth proportional to 467.22, 700.36 and 261.88 is: 392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.22 : 700.36 = 261.88 : x
  2. Step 2: Convert to fraction form
    467.22/700.36 = 261.88/x
  3. Step 3: Cross multiply
    467.22x = 700.36 × 261.88
  4. Step 4: Simplify right side
    467.22x = 183,410.28
  5. Step 5: Solve for x
    x = 183,410.28/467.22
  6. Step 6: Final answer
    x = 392.56

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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.