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Finding the Fourth Proportional to 352.02, 527.93 and 135.58

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Solution

The fourth proportional to 352.02, 527.93 and 135.58 is: 203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.02 : 527.93 = 135.58 : x
  2. Step 2: Convert to fraction form
    352.02/527.93 = 135.58/x
  3. Step 3: Cross multiply
    352.02x = 527.93 × 135.58
  4. Step 4: Simplify right side
    352.02x = 71,576.75
  5. Step 5: Solve for x
    x = 71,576.75/352.02
  6. Step 6: Final answer
    x = 203.33

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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.