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Finding the Fourth Proportional to 322,730.94, 445,362.36 and 179,487.92

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Solution

The fourth proportional to 322,730.94, 445,362.36 and 179,487.92 is: 247,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,730.94 : 445,362.36 = 179,487.92 : x
  2. Step 2: Convert to fraction form
    322,730.94/445,362.36 = 179,487.92/x
  3. Step 3: Cross multiply
    322,730.94x = 445,362.36 × 179,487.92
  4. Step 4: Simplify right side
    322,730.94x = 79,937,161,415.88
  5. Step 5: Solve for x
    x = 79,937,161,415.88/322,730.94
  6. Step 6: Final answer
    x = 247,689.80

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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.