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Finding the Fourth Proportional to 451,737.81, 676,703.21 and 271,723.82

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Solution

The fourth proportional to 451,737.81, 676,703.21 and 271,723.82 is: 407,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,737.81 : 676,703.21 = 271,723.82 : x
  2. Step 2: Convert to fraction form
    451,737.81/676,703.21 = 271,723.82/x
  3. Step 3: Cross multiply
    451,737.81x = 676,703.21 × 271,723.82
  4. Step 4: Simplify right side
    451,737.81x = 183,876,376,485.33
  5. Step 5: Solve for x
    x = 183,876,376,485.33/451,737.81
  6. Step 6: Final answer
    x = 407,042.25

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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.