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Finding the Fourth Proportional to 325,445.70, 449,063.25 and 182,211.78

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Solution

The fourth proportional to 325,445.70, 449,063.25 and 182,211.78 is: 251,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,445.70 : 449,063.25 = 182,211.78 : x
  2. Step 2: Convert to fraction form
    325,445.70/449,063.25 = 182,211.78/x
  3. Step 3: Cross multiply
    325,445.70x = 449,063.25 × 182,211.78
  4. Step 4: Simplify right side
    325,445.70x = 81,824,614,115.09
  5. Step 5: Solve for x
    x = 81,824,614,115.09/325,445.70
  6. Step 6: Final answer
    x = 251,423.25

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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.