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Finding the Fourth Proportional to 1,644.96, 2,467.46 and 534.35

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Solution

The fourth proportional to 1,644.96, 2,467.46 and 534.35 is: 801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.96 : 2,467.46 = 534.35 : x
  2. Step 2: Convert to fraction form
    1,644.96/2,467.46 = 534.35/x
  3. Step 3: Cross multiply
    1,644.96x = 2,467.46 × 534.35
  4. Step 4: Simplify right side
    1,644.96x = 1,318,480.88
  5. Step 5: Solve for x
    x = 1,318,480.88/1,644.96
  6. Step 6: Final answer
    x = 801.53

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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.