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Finding the Fourth Proportional to 201.34, 302.46 and 174.00

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Solution

The fourth proportional to 201.34, 302.46 and 174.00 is: 261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.34 : 302.46 = 174.00 : x
  2. Step 2: Convert to fraction form
    201.34/302.46 = 174.00/x
  3. Step 3: Cross multiply
    201.34x = 302.46 × 174.00
  4. Step 4: Simplify right side
    201.34x = 52,627.31
  5. Step 5: Solve for x
    x = 52,627.31/201.34
  6. Step 6: Final answer
    x = 261.39

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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.