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Finding the Fourth Proportional to 482.92, 724.54 and 174.98

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Solution

The fourth proportional to 482.92, 724.54 and 174.98 is: 262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.92 : 724.54 = 174.98 : x
  2. Step 2: Convert to fraction form
    482.92/724.54 = 174.98/x
  3. Step 3: Cross multiply
    482.92x = 724.54 × 174.98
  4. Step 4: Simplify right side
    482.92x = 126,780.01
  5. Step 5: Solve for x
    x = 126,780.01/482.92
  6. Step 6: Final answer
    x = 262.53

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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.