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Finding the Fourth Proportional to 357.98, 536.98 and 195.32

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Solution

The fourth proportional to 357.98, 536.98 and 195.32 is: 292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.98 : 536.98 = 195.32 : x
  2. Step 2: Convert to fraction form
    357.98/536.98 = 195.32/x
  3. Step 3: Cross multiply
    357.98x = 536.98 × 195.32
  4. Step 4: Simplify right side
    357.98x = 104,884.52
  5. Step 5: Solve for x
    x = 104,884.52/357.98
  6. Step 6: Final answer
    x = 292.99

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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.