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Finding the Fourth Proportional to 468,651.88, 703,081.50 and 258,181.48

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Solution

The fourth proportional to 468,651.88, 703,081.50 and 258,181.48 is: 387,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,651.88 : 703,081.50 = 258,181.48 : x
  2. Step 2: Convert to fraction form
    468,651.88/703,081.50 = 258,181.48/x
  3. Step 3: Cross multiply
    468,651.88x = 703,081.50 × 258,181.48
  4. Step 4: Simplify right side
    468,651.88x = 181,522,622,230.62
  5. Step 5: Solve for x
    x = 181,522,622,230.62/468,651.88
  6. Step 6: Final answer
    x = 387,329.34

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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.