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Finding the Fourth Proportional to 323,165.80, 484,825.61 and 162,847.81

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Solution

The fourth proportional to 323,165.80, 484,825.61 and 162,847.81 is: 244,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,165.80 : 484,825.61 = 162,847.81 : x
  2. Step 2: Convert to fraction form
    323,165.80/484,825.61 = 162,847.81/x
  3. Step 3: Cross multiply
    323,165.80x = 484,825.61 × 162,847.81
  4. Step 4: Simplify right side
    323,165.80x = 78,952,788,820.41
  5. Step 5: Solve for x
    x = 78,952,788,820.41/323,165.80
  6. Step 6: Final answer
    x = 244,310.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.