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Finding the Fourth Proportional to 451,227.84, 676,828.80 and 151,725.48

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Solution

The fourth proportional to 451,227.84, 676,828.80 and 151,725.48 is: 227,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,227.84 : 676,828.80 = 151,725.48 : x
  2. Step 2: Convert to fraction form
    451,227.84/676,828.80 = 151,725.48/x
  3. Step 3: Cross multiply
    451,227.84x = 676,828.80 × 151,725.48
  4. Step 4: Simplify right side
    451,227.84x = 102,692,174,557.82
  5. Step 5: Solve for x
    x = 102,692,174,557.82/451,227.84
  6. Step 6: Final answer
    x = 227,583.86

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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.