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Finding the Fourth Proportional to 462,571.56, 638,346.42 and 268,910.28

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Solution

The fourth proportional to 462,571.56, 638,346.42 and 268,910.28 is: 371,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,571.56 : 638,346.42 = 268,910.28 : x
  2. Step 2: Convert to fraction form
    462,571.56/638,346.42 = 268,910.28/x
  3. Step 3: Cross multiply
    462,571.56x = 638,346.42 × 268,910.28
  4. Step 4: Simplify right side
    462,571.56x = 171,657,914,539.20
  5. Step 5: Solve for x
    x = 171,657,914,539.20/462,571.56
  6. Step 6: Final answer
    x = 371,094.83

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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.