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Finding the Fourth Proportional to 264.84, 397.35 and 162.27

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Solution

The fourth proportional to 264.84, 397.35 and 162.27 is: 243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.84 : 397.35 = 162.27 : x
  2. Step 2: Convert to fraction form
    264.84/397.35 = 162.27/x
  3. Step 3: Cross multiply
    264.84x = 397.35 × 162.27
  4. Step 4: Simplify right side
    264.84x = 64,477.98
  5. Step 5: Solve for x
    x = 64,477.98/264.84
  6. Step 6: Final answer
    x = 243.46

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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.