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Finding the Fourth Proportional to 732, 1,096.22 and 385.62

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Solution

The fourth proportional to 732, 1,096.22 and 385.62 is: 577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    732 : 1,096.22 = 385.62 : x
  2. Step 2: Convert to fraction form
    732/1,096.22 = 385.62/x
  3. Step 3: Cross multiply
    732x = 1,096.22 × 385.62
  4. Step 4: Simplify right side
    732x = 422,724.36
  5. Step 5: Solve for x
    x = 422,724.36/732
  6. Step 6: Final answer
    x = 577.49

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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.