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Finding the Fourth Proportional to 323,219.88, 484,530.48 and 165,099.60

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Solution

The fourth proportional to 323,219.88, 484,530.48 and 165,099.60 is: 247,496.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,219.88 : 484,530.48 = 165,099.60 : x
  2. Step 2: Convert to fraction form
    323,219.88/484,530.48 = 165,099.60/x
  3. Step 3: Cross multiply
    323,219.88x = 484,530.48 × 165,099.60
  4. Step 4: Simplify right side
    323,219.88x = 79,995,788,435.81
  5. Step 5: Solve for x
    x = 79,995,788,435.81/323,219.88
  6. Step 6: Final answer
    x = 247,496.50

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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.