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Finding the Fourth Proportional to 273,538.05, 377,655.87 and 187,640.92

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Solution

The fourth proportional to 273,538.05, 377,655.87 and 187,640.92 is: 259,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,538.05 : 377,655.87 = 187,640.92 : x
  2. Step 2: Convert to fraction form
    273,538.05/377,655.87 = 187,640.92/x
  3. Step 3: Cross multiply
    273,538.05x = 377,655.87 × 187,640.92
  4. Step 4: Simplify right side
    273,538.05x = 70,863,694,890.20
  5. Step 5: Solve for x
    x = 70,863,694,890.20/273,538.05
  6. Step 6: Final answer
    x = 259,063.39

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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.