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Finding the Fourth Proportional to 323,505, 484,720.86 and 196,761.72

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Solution

The fourth proportional to 323,505, 484,720.86 and 196,761.72 is: 294,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,505 : 484,720.86 = 196,761.72 : x
  2. Step 2: Convert to fraction form
    323,505/484,720.86 = 196,761.72/x
  3. Step 3: Cross multiply
    323,505x = 484,720.86 × 196,761.72
  4. Step 4: Simplify right side
    323,505x = 95,374,510,133.48
  5. Step 5: Solve for x
    x = 95,374,510,133.48/323,505
  6. Step 6: Final answer
    x = 294,816.19

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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.