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Finding the Fourth Proportional to 264.69, 397.15 and 134.67

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Solution

The fourth proportional to 264.69, 397.15 and 134.67 is: 202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.69 : 397.15 = 134.67 : x
  2. Step 2: Convert to fraction form
    264.69/397.15 = 134.67/x
  3. Step 3: Cross multiply
    264.69x = 397.15 × 134.67
  4. Step 4: Simplify right side
    264.69x = 53,484.19
  5. Step 5: Solve for x
    x = 53,484.19/264.69
  6. Step 6: Final answer
    x = 202.06

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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.