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Finding the Fourth Proportional to 468,605.34, 703,170.21 and 255,387.69

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Solution

The fourth proportional to 468,605.34, 703,170.21 and 255,387.69 is: 383,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,605.34 : 703,170.21 = 255,387.69 : x
  2. Step 2: Convert to fraction form
    468,605.34/703,170.21 = 255,387.69/x
  3. Step 3: Cross multiply
    468,605.34x = 703,170.21 × 255,387.69
  4. Step 4: Simplify right side
    468,605.34x = 179,581,015,608.72
  5. Step 5: Solve for x
    x = 179,581,015,608.72/468,605.34
  6. Step 6: Final answer
    x = 383,224.43

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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.