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Finding the Fourth Proportional to 654,217.70, 902,687.90 and 382,233.06

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Solution

The fourth proportional to 654,217.70, 902,687.90 and 382,233.06 is: 527,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,217.70 : 902,687.90 = 382,233.06 : x
  2. Step 2: Convert to fraction form
    654,217.70/902,687.90 = 382,233.06/x
  3. Step 3: Cross multiply
    654,217.70x = 902,687.90 × 382,233.06
  4. Step 4: Simplify right side
    654,217.70x = 345,037,158,241.97
  5. Step 5: Solve for x
    x = 345,037,158,241.97/654,217.70
  6. Step 6: Final answer
    x = 527,404.19

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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.