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Finding the Fourth Proportional to 323,477.96, 485,216.93 and 123,859.53

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Solution

The fourth proportional to 323,477.96, 485,216.93 and 123,859.53 is: 185,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,477.96 : 485,216.93 = 123,859.53 : x
  2. Step 2: Convert to fraction form
    323,477.96/485,216.93 = 123,859.53/x
  3. Step 3: Cross multiply
    323,477.96x = 485,216.93 × 123,859.53
  4. Step 4: Simplify right side
    323,477.96x = 60,098,741,207.49
  5. Step 5: Solve for x
    x = 60,098,741,207.49/323,477.96
  6. Step 6: Final answer
    x = 185,789.30

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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.