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Finding the Fourth Proportional to 264.72, 397.08 and 234.48

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Solution

The fourth proportional to 264.72, 397.08 and 234.48 is: 351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.72 : 397.08 = 234.48 : x
  2. Step 2: Convert to fraction form
    264.72/397.08 = 234.48/x
  3. Step 3: Cross multiply
    264.72x = 397.08 × 234.48
  4. Step 4: Simplify right side
    264.72x = 93,107.32
  5. Step 5: Solve for x
    x = 93,107.32/264.72
  6. Step 6: Final answer
    x = 351.72

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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.