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Finding the Fourth Proportional to 313,992.98, 433,321.68 and 179,882.90

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Solution

The fourth proportional to 313,992.98, 433,321.68 and 179,882.90 is: 248,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,992.98 : 433,321.68 = 179,882.90 : x
  2. Step 2: Convert to fraction form
    313,992.98/433,321.68 = 179,882.90/x
  3. Step 3: Cross multiply
    313,992.98x = 433,321.68 × 179,882.90
  4. Step 4: Simplify right side
    313,992.98x = 77,947,160,431.27
  5. Step 5: Solve for x
    x = 77,947,160,431.27/313,992.98
  6. Step 6: Final answer
    x = 248,244.91

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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.