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Finding the Fourth Proportional to 350,847.83, 484,169.73 and 189,702.79

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Solution

The fourth proportional to 350,847.83, 484,169.73 and 189,702.79 is: 261,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,847.83 : 484,169.73 = 189,702.79 : x
  2. Step 2: Convert to fraction form
    350,847.83/484,169.73 = 189,702.79/x
  3. Step 3: Cross multiply
    350,847.83x = 484,169.73 × 189,702.79
  4. Step 4: Simplify right side
    350,847.83x = 91,848,348,614.55
  5. Step 5: Solve for x
    x = 91,848,348,614.55/350,847.83
  6. Step 6: Final answer
    x = 261,789.70

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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.