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Finding the Fourth Proportional to 357.53, 535.75 and 174.87

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Solution

The fourth proportional to 357.53, 535.75 and 174.87 is: 262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.53 : 535.75 = 174.87 : x
  2. Step 2: Convert to fraction form
    357.53/535.75 = 174.87/x
  3. Step 3: Cross multiply
    357.53x = 535.75 × 174.87
  4. Step 4: Simplify right side
    357.53x = 93,686.60
  5. Step 5: Solve for x
    x = 93,686.60/357.53
  6. Step 6: Final answer
    x = 262.04

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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.