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Finding the Fourth Proportional to 357.26, 535.95 and 174.62

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Solution

The fourth proportional to 357.26, 535.95 and 174.62 is: 261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.26 : 535.95 = 174.62 : x
  2. Step 2: Convert to fraction form
    357.26/535.95 = 174.62/x
  3. Step 3: Cross multiply
    357.26x = 535.95 × 174.62
  4. Step 4: Simplify right side
    357.26x = 93,587.59
  5. Step 5: Solve for x
    x = 93,587.59/357.26
  6. Step 6: Final answer
    x = 261.96

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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.