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Finding the Fourth Proportional to 352.46, 527.77 and 243.11

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Solution

The fourth proportional to 352.46, 527.77 and 243.11 is: 364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.46 : 527.77 = 243.11 : x
  2. Step 2: Convert to fraction form
    352.46/527.77 = 243.11/x
  3. Step 3: Cross multiply
    352.46x = 527.77 × 243.11
  4. Step 4: Simplify right side
    352.46x = 128,305.50
  5. Step 5: Solve for x
    x = 128,305.50/352.46
  6. Step 6: Final answer
    x = 364.03

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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.