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Finding the Fourth Proportional to 624.96, 937.34 and 192

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Solution

The fourth proportional to 624.96, 937.34 and 192 is: 287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.96 : 937.34 = 192 : x
  2. Step 2: Convert to fraction form
    624.96/937.34 = 192/x
  3. Step 3: Cross multiply
    624.96x = 937.34 × 192
  4. Step 4: Simplify right side
    624.96x = 179,968.32
  5. Step 5: Solve for x
    x = 179,968.32/624.96
  6. Step 6: Final answer
    x = 287.97

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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.