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Finding the Fourth Proportional to 610,871.26, 843,103.47 and 339,026.47

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Solution

The fourth proportional to 610,871.26, 843,103.47 and 339,026.47 is: 467,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,871.26 : 843,103.47 = 339,026.47 : x
  2. Step 2: Convert to fraction form
    610,871.26/843,103.47 = 339,026.47/x
  3. Step 3: Cross multiply
    610,871.26x = 843,103.47 × 339,026.47
  4. Step 4: Simplify right side
    610,871.26x = 285,834,393,278.85
  5. Step 5: Solve for x
    x = 285,834,393,278.85/610,871.26
  6. Step 6: Final answer
    x = 467,912.66

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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.