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Finding the Fourth Proportional to 264.21, 364.65 and 177.03

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Solution

The fourth proportional to 264.21, 364.65 and 177.03 is: 244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.21 : 364.65 = 177.03 : x
  2. Step 2: Convert to fraction form
    264.21/364.65 = 177.03/x
  3. Step 3: Cross multiply
    264.21x = 364.65 × 177.03
  4. Step 4: Simplify right side
    264.21x = 64,553.99
  5. Step 5: Solve for x
    x = 64,553.99/264.21
  6. Step 6: Final answer
    x = 244.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.