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Finding the Fourth Proportional to 467.78, 701.26 and 236.35

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Solution

The fourth proportional to 467.78, 701.26 and 236.35 is: 354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.78 : 701.26 = 236.35 : x
  2. Step 2: Convert to fraction form
    467.78/701.26 = 236.35/x
  3. Step 3: Cross multiply
    467.78x = 701.26 × 236.35
  4. Step 4: Simplify right side
    467.78x = 165,742.80
  5. Step 5: Solve for x
    x = 165,742.80/467.78
  6. Step 6: Final answer
    x = 354.32

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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.