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Finding the Fourth Proportional to 295.08, 407 and 196.52

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Solution

The fourth proportional to 295.08, 407 and 196.52 is: 271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.08 : 407 = 196.52 : x
  2. Step 2: Convert to fraction form
    295.08/407 = 196.52/x
  3. Step 3: Cross multiply
    295.08x = 407 × 196.52
  4. Step 4: Simplify right side
    295.08x = 79,983.64
  5. Step 5: Solve for x
    x = 79,983.64/295.08
  6. Step 6: Final answer
    x = 271.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.