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Finding the Fourth Proportional to 1,096.34, 1,644.48 and 365.93

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Solution

The fourth proportional to 1,096.34, 1,644.48 and 365.93 is: 548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096.34 : 1,644.48 = 365.93 : x
  2. Step 2: Convert to fraction form
    1,096.34/1,644.48 = 365.93/x
  3. Step 3: Cross multiply
    1,096.34x = 1,644.48 × 365.93
  4. Step 4: Simplify right side
    1,096.34x = 601,764.57
  5. Step 5: Solve for x
    x = 601,764.57/1,096.34
  6. Step 6: Final answer
    x = 548.88

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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.