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Finding the Fourth Proportional to 376,162.77, 519,027.87 and 223,133.92

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Solution

The fourth proportional to 376,162.77, 519,027.87 and 223,133.92 is: 307,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,162.77 : 519,027.87 = 223,133.92 : x
  2. Step 2: Convert to fraction form
    376,162.77/519,027.87 = 223,133.92/x
  3. Step 3: Cross multiply
    376,162.77x = 519,027.87 × 223,133.92
  4. Step 4: Simplify right side
    376,162.77x = 115,812,724,425.94
  5. Step 5: Solve for x
    x = 115,812,724,425.94/376,162.77
  6. Step 6: Final answer
    x = 307,879.29

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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.