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Finding the Fourth Proportional to 322,273.80, 482,834.70 and 155,694.60

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Solution

The fourth proportional to 322,273.80, 482,834.70 and 155,694.60 is: 233,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,273.80 : 482,834.70 = 155,694.60 : x
  2. Step 2: Convert to fraction form
    322,273.80/482,834.70 = 155,694.60/x
  3. Step 3: Cross multiply
    322,273.80x = 482,834.70 × 155,694.60
  4. Step 4: Simplify right side
    322,273.80x = 75,174,755,482.62
  5. Step 5: Solve for x
    x = 75,174,755,482.62/322,273.80
  6. Step 6: Final answer
    x = 233,263.63

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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.