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Finding the Fourth Proportional to 250,991.14, 376,406.88 and 82,472.67

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Solution

The fourth proportional to 250,991.14, 376,406.88 and 82,472.67 is: 123,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,991.14 : 376,406.88 = 82,472.67 : x
  2. Step 2: Convert to fraction form
    250,991.14/376,406.88 = 82,472.67/x
  3. Step 3: Cross multiply
    250,991.14x = 376,406.88 × 82,472.67
  4. Step 4: Simplify right side
    250,991.14x = 31,043,280,399.97
  5. Step 5: Solve for x
    x = 31,043,280,399.97/250,991.14
  6. Step 6: Final answer
    x = 123,682.77

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1.5x scale

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.