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Finding the Fourth Proportional to 1,367.73, 2,051.81 and 546.02

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Solution

The fourth proportional to 1,367.73, 2,051.81 and 546.02 is: 819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.73 : 2,051.81 = 546.02 : x
  2. Step 2: Convert to fraction form
    1,367.73/2,051.81 = 546.02/x
  3. Step 3: Cross multiply
    1,367.73x = 2,051.81 × 546.02
  4. Step 4: Simplify right side
    1,367.73x = 1,120,316.31
  5. Step 5: Solve for x
    x = 1,120,316.31/1,367.73
  6. Step 6: Final answer
    x = 819.11

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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.