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Finding the Fourth Proportional to 619,201.40, 854,488.46 and 347,269.24

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Solution

The fourth proportional to 619,201.40, 854,488.46 and 347,269.24 is: 479,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,201.40 : 854,488.46 = 347,269.24 : x
  2. Step 2: Convert to fraction form
    619,201.40/854,488.46 = 347,269.24/x
  3. Step 3: Cross multiply
    619,201.40x = 854,488.46 × 347,269.24
  4. Step 4: Simplify right side
    619,201.40x = 296,737,558,092.97
  5. Step 5: Solve for x
    x = 296,737,558,092.97/619,201.40
  6. Step 6: Final answer
    x = 479,226.24

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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.