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Finding the Fourth Proportional to 610,982.46, 843,133.50 and 339,062.22

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Solution

The fourth proportional to 610,982.46, 843,133.50 and 339,062.22 is: 467,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,982.46 : 843,133.50 = 339,062.22 : x
  2. Step 2: Convert to fraction form
    610,982.46/843,133.50 = 339,062.22/x
  3. Step 3: Cross multiply
    610,982.46x = 843,133.50 × 339,062.22
  4. Step 4: Simplify right side
    610,982.46x = 285,874,716,266.37
  5. Step 5: Solve for x
    x = 285,874,716,266.37/610,982.46
  6. Step 6: Final answer
    x = 467,893.49

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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.