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Finding the Fourth Proportional to 357.34, 535.94 and 174.46

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Solution

The fourth proportional to 357.34, 535.94 and 174.46 is: 261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.34 : 535.94 = 174.46 : x
  2. Step 2: Convert to fraction form
    357.34/535.94 = 174.46/x
  3. Step 3: Cross multiply
    357.34x = 535.94 × 174.46
  4. Step 4: Simplify right side
    357.34x = 93,500.09
  5. Step 5: Solve for x
    x = 93,500.09/357.34
  6. Step 6: Final answer
    x = 261.66

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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.