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Finding the Fourth Proportional to 325,676.05, 449,303.64 and 203,096.32

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Solution

The fourth proportional to 325,676.05, 449,303.64 and 203,096.32 is: 280,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,676.05 : 449,303.64 = 203,096.32 : x
  2. Step 2: Convert to fraction form
    325,676.05/449,303.64 = 203,096.32/x
  3. Step 3: Cross multiply
    325,676.05x = 449,303.64 × 203,096.32
  4. Step 4: Simplify right side
    325,676.05x = 91,251,913,961.73
  5. Step 5: Solve for x
    x = 91,251,913,961.73/325,676.05
  6. Step 6: Final answer
    x = 280,192.28

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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.