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Finding the Fourth Proportional to 357.50, 535.76 and 195.26

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Solution

The fourth proportional to 357.50, 535.76 and 195.26 is: 292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.50 : 535.76 = 195.26 : x
  2. Step 2: Convert to fraction form
    357.50/535.76 = 195.26/x
  3. Step 3: Cross multiply
    357.50x = 535.76 × 195.26
  4. Step 4: Simplify right side
    357.50x = 104,612.50
  5. Step 5: Solve for x
    x = 104,612.50/357.50
  6. Step 6: Final answer
    x = 292.62

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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.