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Finding the Fourth Proportional to 323,185.96, 484,688.22 and 123,368.68

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Solution

The fourth proportional to 323,185.96, 484,688.22 and 123,368.68 is: 185,018.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,185.96 : 484,688.22 = 123,368.68 : x
  2. Step 2: Convert to fraction form
    323,185.96/484,688.22 = 123,368.68/x
  3. Step 3: Cross multiply
    323,185.96x = 484,688.22 × 123,368.68
  4. Step 4: Simplify right side
    323,185.96x = 59,795,345,912.95
  5. Step 5: Solve for x
    x = 59,795,345,912.95/323,185.96
  6. Step 6: Final answer
    x = 185,018.39

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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.