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Finding the Fourth Proportional to 322.82, 484.02 and 235.00

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Solution

The fourth proportional to 322.82, 484.02 and 235.00 is: 352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322.82 : 484.02 = 235.00 : x
  2. Step 2: Convert to fraction form
    322.82/484.02 = 235.00/x
  3. Step 3: Cross multiply
    322.82x = 484.02 × 235.00
  4. Step 4: Simplify right side
    322.82x = 113,741.10
  5. Step 5: Solve for x
    x = 113,741.10/322.82
  6. Step 6: Final answer
    x = 352.34

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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.