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Finding the Fourth Proportional to 344,141.73, 474,900.17 and 191,190.65

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Solution

The fourth proportional to 344,141.73, 474,900.17 and 191,190.65 is: 263,834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,141.73 : 474,900.17 = 191,190.65 : x
  2. Step 2: Convert to fraction form
    344,141.73/474,900.17 = 191,190.65/x
  3. Step 3: Cross multiply
    344,141.73x = 474,900.17 × 191,190.65
  4. Step 4: Simplify right side
    344,141.73x = 90,796,468,856.96
  5. Step 5: Solve for x
    x = 90,796,468,856.96/344,141.73
  6. Step 6: Final answer
    x = 263,834.52

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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.