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Finding the Fourth Proportional to 250,799.81, 376,120.68 and 82,280.88

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Solution

The fourth proportional to 250,799.81, 376,120.68 and 82,280.88 is: 123,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,799.81 : 376,120.68 = 82,280.88 : x
  2. Step 2: Convert to fraction form
    250,799.81/376,120.68 = 82,280.88/x
  3. Step 3: Cross multiply
    250,799.81x = 376,120.68 × 82,280.88
  4. Step 4: Simplify right side
    250,799.81x = 30,947,540,690.88
  5. Step 5: Solve for x
    x = 30,947,540,690.88/250,799.81
  6. Step 6: Final answer
    x = 123,395.39

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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.