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Finding the Fourth Proportional to 1,096.16, 1,644.24 and 355.92

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Solution

The fourth proportional to 1,096.16, 1,644.24 and 355.92 is: 533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.16 : 1,644.24 = 355.92 : x
  2. Step 2: Convert to fraction form
    1,096.16/1,644.24 = 355.92/x
  3. Step 3: Cross multiply
    1,096.16x = 1,644.24 × 355.92
  4. Step 4: Simplify right side
    1,096.16x = 585,217.90
  5. Step 5: Solve for x
    x = 585,217.90/1,096.16
  6. Step 6: Final answer
    x = 533.88

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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.