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Finding the Fourth Proportional to 368.34, 552.48 and 195

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Solution

The fourth proportional to 368.34, 552.48 and 195 is: 292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.34 : 552.48 = 195 : x
  2. Step 2: Convert to fraction form
    368.34/552.48 = 195/x
  3. Step 3: Cross multiply
    368.34x = 552.48 × 195
  4. Step 4: Simplify right side
    368.34x = 107,733.60
  5. Step 5: Solve for x
    x = 107,733.60/368.34
  6. Step 6: Final answer
    x = 292.48

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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.