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Finding the Fourth Proportional to 493,866.05, 681,535.22 and 267,511.55

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Solution

The fourth proportional to 493,866.05, 681,535.22 and 267,511.55 is: 369,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,866.05 : 681,535.22 = 267,511.55 : x
  2. Step 2: Convert to fraction form
    493,866.05/681,535.22 = 267,511.55/x
  3. Step 3: Cross multiply
    493,866.05x = 681,535.22 × 267,511.55
  4. Step 4: Simplify right side
    493,866.05x = 182,318,538,336.56
  5. Step 5: Solve for x
    x = 182,318,538,336.56/493,866.05
  6. Step 6: Final answer
    x = 369,165.97

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1.5x scale

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.