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Finding the Fourth Proportional to 611,768.50, 844,217.06 and 339,853.52

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Solution

The fourth proportional to 611,768.50, 844,217.06 and 339,853.52 is: 468,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,768.50 : 844,217.06 = 339,853.52 : x
  2. Step 2: Convert to fraction form
    611,768.50/844,217.06 = 339,853.52/x
  3. Step 3: Cross multiply
    611,768.50x = 844,217.06 × 339,853.52
  4. Step 4: Simplify right side
    611,768.50x = 286,910,135,147.61
  5. Step 5: Solve for x
    x = 286,910,135,147.61/611,768.50
  6. Step 6: Final answer
    x = 468,984.81

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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.