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Finding the Fourth Proportional to 393,773.73, 543,181.29 and 248,527.88

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Solution

The fourth proportional to 393,773.73, 543,181.29 and 248,527.88 is: 342,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,773.73 : 543,181.29 = 248,527.88 : x
  2. Step 2: Convert to fraction form
    393,773.73/543,181.29 = 248,527.88/x
  3. Step 3: Cross multiply
    393,773.73x = 543,181.29 × 248,527.88
  4. Step 4: Simplify right side
    393,773.73x = 134,995,694,459.37
  5. Step 5: Solve for x
    x = 134,995,694,459.37/393,773.73
  6. Step 6: Final answer
    x = 342,825.55

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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.