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Finding the Fourth Proportional to 454,958.50, 627,842.73 and 253,754.50

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Solution

The fourth proportional to 454,958.50, 627,842.73 and 253,754.50 is: 350,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,958.50 : 627,842.73 = 253,754.50 : x
  2. Step 2: Convert to fraction form
    454,958.50/627,842.73 = 253,754.50/x
  3. Step 3: Cross multiply
    454,958.50x = 627,842.73 × 253,754.50
  4. Step 4: Simplify right side
    454,958.50x = 159,317,918,029.79
  5. Step 5: Solve for x
    x = 159,317,918,029.79/454,958.50
  6. Step 6: Final answer
    x = 350,181.21

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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.