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Finding the Fourth Proportional to 433.97, 650.49 and 174.11

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Solution

The fourth proportional to 433.97, 650.49 and 174.11 is: 260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.97 : 650.49 = 174.11 : x
  2. Step 2: Convert to fraction form
    433.97/650.49 = 174.11/x
  3. Step 3: Cross multiply
    433.97x = 650.49 × 174.11
  4. Step 4: Simplify right side
    433.97x = 113,256.81
  5. Step 5: Solve for x
    x = 113,256.81/433.97
  6. Step 6: Final answer
    x = 260.98

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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.