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Finding the Fourth Proportional to 325,930.70, 449,782.86 and 182,690.72

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Solution

The fourth proportional to 325,930.70, 449,782.86 and 182,690.72 is: 252,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,930.70 : 449,782.86 = 182,690.72 : x
  2. Step 2: Convert to fraction form
    325,930.70/449,782.86 = 182,690.72/x
  3. Step 3: Cross multiply
    325,930.70x = 449,782.86 × 182,690.72
  4. Step 4: Simplify right side
    325,930.70x = 82,171,154,537.06
  5. Step 5: Solve for x
    x = 82,171,154,537.06/325,930.70
  6. Step 6: Final answer
    x = 252,112.35

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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.