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Finding the Fourth Proportional to 451,554.75, 676,857.96 and 151,931.31

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Solution

The fourth proportional to 451,554.75, 676,857.96 and 151,931.31 is: 227,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,554.75 : 676,857.96 = 151,931.31 : x
  2. Step 2: Convert to fraction form
    451,554.75/676,857.96 = 151,931.31/x
  3. Step 3: Cross multiply
    451,554.75x = 676,857.96 × 151,931.31
  4. Step 4: Simplify right side
    451,554.75x = 102,835,916,546.73
  5. Step 5: Solve for x
    x = 102,835,916,546.73/451,554.75
  6. Step 6: Final answer
    x = 227,737.43

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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.