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Finding the Fourth Proportional to 295.33, 407.58 and 197.25

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Solution

The fourth proportional to 295.33, 407.58 and 197.25 is: 272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.33 : 407.58 = 197.25 : x
  2. Step 2: Convert to fraction form
    295.33/407.58 = 197.25/x
  3. Step 3: Cross multiply
    295.33x = 407.58 × 197.25
  4. Step 4: Simplify right side
    295.33x = 80,394.17
  5. Step 5: Solve for x
    x = 80,394.17/295.33
  6. Step 6: Final answer
    x = 272.22

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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.