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Finding the Fourth Proportional to 493,916.94, 681,605.28 and 267,562.44

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Solution

The fourth proportional to 493,916.94, 681,605.28 and 267,562.44 is: 369,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,916.94 : 681,605.28 = 267,562.44 : x
  2. Step 2: Convert to fraction form
    493,916.94/681,605.28 = 267,562.44/x
  3. Step 3: Cross multiply
    493,916.94x = 681,605.28 × 267,562.44
  4. Step 4: Simplify right side
    493,916.94x = 182,371,971,833.68
  5. Step 5: Solve for x
    x = 182,371,971,833.68/493,916.94
  6. Step 6: Final answer
    x = 369,236.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.