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Finding the Fourth Proportional to 250,979.70, 376,442 and 73,488.44

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Solution

The fourth proportional to 250,979.70, 376,442 and 73,488.44 is: 110,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,979.70 : 376,442 = 73,488.44 : x
  2. Step 2: Convert to fraction form
    250,979.70/376,442 = 73,488.44/x
  3. Step 3: Cross multiply
    250,979.70x = 376,442 × 73,488.44
  4. Step 4: Simplify right side
    250,979.70x = 27,664,135,330.48
  5. Step 5: Solve for x
    x = 27,664,135,330.48/250,979.70
  6. Step 6: Final answer
    x = 110,224.59

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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.