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Finding the Fourth Proportional to 323,730.87, 485,646.24 and 110,448.83

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Solution

The fourth proportional to 323,730.87, 485,646.24 and 110,448.83 is: 165,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,730.87 : 485,646.24 = 110,448.83 : x
  2. Step 2: Convert to fraction form
    323,730.87/485,646.24 = 110,448.83/x
  3. Step 3: Cross multiply
    323,730.87x = 485,646.24 × 110,448.83
  4. Step 4: Simplify right side
    323,730.87x = 53,639,056,573.67
  5. Step 5: Solve for x
    x = 53,639,056,573.67/323,730.87
  6. Step 6: Final answer
    x = 165,690.27

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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.