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Finding the Fourth Proportional to 1,641.93, 2,463.24 and 546.38

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Solution

The fourth proportional to 1,641.93, 2,463.24 and 546.38 is: 819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641.93 : 2,463.24 = 546.38 : x
  2. Step 2: Convert to fraction form
    1,641.93/2,463.24 = 546.38/x
  3. Step 3: Cross multiply
    1,641.93x = 2,463.24 × 546.38
  4. Step 4: Simplify right side
    1,641.93x = 1,345,865.07
  5. Step 5: Solve for x
    x = 1,345,865.07/1,641.93
  6. Step 6: Final answer
    x = 819.68

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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.