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Finding the Fourth Proportional to 469.24, 703.68 and 161.04

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Solution

The fourth proportional to 469.24, 703.68 and 161.04 is: 241.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.24 : 703.68 = 161.04 : x
  2. Step 2: Convert to fraction form
    469.24/703.68 = 161.04/x
  3. Step 3: Cross multiply
    469.24x = 703.68 × 161.04
  4. Step 4: Simplify right side
    469.24x = 113,320.63
  5. Step 5: Solve for x
    x = 113,320.63/469.24
  6. Step 6: Final answer
    x = 241.50

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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.