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Finding the Fourth Proportional to 344,136.98, 474,893.60 and 191,185.90

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Solution

The fourth proportional to 344,136.98, 474,893.60 and 191,185.90 is: 263,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,136.98 : 474,893.60 = 191,185.90 : x
  2. Step 2: Convert to fraction form
    344,136.98/474,893.60 = 191,185.90/x
  3. Step 3: Cross multiply
    344,136.98x = 474,893.60 × 191,185.90
  4. Step 4: Simplify right side
    344,136.98x = 90,792,960,320.24
  5. Step 5: Solve for x
    x = 90,792,960,320.24/344,136.98
  6. Step 6: Final answer
    x = 263,827.97

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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.