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Finding the Fourth Proportional to 448,736.76, 671,912.82 and 271,003.32

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Solution

The fourth proportional to 448,736.76, 671,912.82 and 271,003.32 is: 405,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,736.76 : 671,912.82 = 271,003.32 : x
  2. Step 2: Convert to fraction form
    448,736.76/671,912.82 = 271,003.32/x
  3. Step 3: Cross multiply
    448,736.76x = 671,912.82 × 271,003.32
  4. Step 4: Simplify right side
    448,736.76x = 182,090,604,970.56
  5. Step 5: Solve for x
    x = 182,090,604,970.56/448,736.76
  6. Step 6: Final answer
    x = 405,784.91

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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.