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Finding the Fourth Proportional to 323,213.88, 484,820.94 and 154,694.54

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Solution

The fourth proportional to 323,213.88, 484,820.94 and 154,694.54 is: 232,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,213.88 : 484,820.94 = 154,694.54 : x
  2. Step 2: Convert to fraction form
    323,213.88/484,820.94 = 154,694.54/x
  3. Step 3: Cross multiply
    323,213.88x = 484,820.94 × 154,694.54
  4. Step 4: Simplify right side
    323,213.88x = 74,999,152,295.67
  5. Step 5: Solve for x
    x = 74,999,152,295.67/323,213.88
  6. Step 6: Final answer
    x = 232,041.87

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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.