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Finding the Fourth Proportional to 482.18, 723.27 and 116.97

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Solution

The fourth proportional to 482.18, 723.27 and 116.97 is: 175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    482.18 : 723.27 = 116.97 : x
  2. Step 2: Convert to fraction form
    482.18/723.27 = 116.97/x
  3. Step 3: Cross multiply
    482.18x = 723.27 × 116.97
  4. Step 4: Simplify right side
    482.18x = 84,600.32
  5. Step 5: Solve for x
    x = 84,600.32/482.18
  6. Step 6: Final answer
    x = 175.45

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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.