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Finding the Fourth Proportional to 438,563.68, 605,233.56 and 247,611.04

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Solution

The fourth proportional to 438,563.68, 605,233.56 and 247,611.04 is: 341,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,563.68 : 605,233.56 = 247,611.04 : x
  2. Step 2: Convert to fraction form
    438,563.68/605,233.56 = 247,611.04/x
  3. Step 3: Cross multiply
    438,563.68x = 605,233.56 × 247,611.04
  4. Step 4: Simplify right side
    438,563.68x = 149,862,511,234.50
  5. Step 5: Solve for x
    x = 149,862,511,234.50/438,563.68
  6. Step 6: Final answer
    x = 341,712.09

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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.