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Finding the Fourth Proportional to 250,980.15, 376,514.10 and 82,453.71

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Solution

The fourth proportional to 250,980.15, 376,514.10 and 82,453.71 is: 123,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,980.15 : 376,514.10 = 82,453.71 : x
  2. Step 2: Convert to fraction form
    250,980.15/376,514.10 = 82,453.71/x
  3. Step 3: Cross multiply
    250,980.15x = 376,514.10 × 82,453.71
  4. Step 4: Simplify right side
    250,980.15x = 31,044,984,412.31
  5. Step 5: Solve for x
    x = 31,044,984,412.31/250,980.15
  6. Step 6: Final answer
    x = 123,694.98

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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.