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Finding the Fourth Proportional to 323.58, 484.92 and 242.22

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Solution

The fourth proportional to 323.58, 484.92 and 242.22 is: 362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    323.58 : 484.92 = 242.22 : x
  2. Step 2: Convert to fraction form
    323.58/484.92 = 242.22/x
  3. Step 3: Cross multiply
    323.58x = 484.92 × 242.22
  4. Step 4: Simplify right side
    323.58x = 117,457.32
  5. Step 5: Solve for x
    x = 117,457.32/323.58
  6. Step 6: Final answer
    x = 362.99

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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.