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Finding the Fourth Proportional to 422,464.48, 632,880.15 and 234,907.36

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Solution

The fourth proportional to 422,464.48, 632,880.15 and 234,907.36 is: 351,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,464.48 : 632,880.15 = 234,907.36 : x
  2. Step 2: Convert to fraction form
    422,464.48/632,880.15 = 234,907.36/x
  3. Step 3: Cross multiply
    422,464.48x = 632,880.15 × 234,907.36
  4. Step 4: Simplify right side
    422,464.48x = 148,668,205,232.90
  5. Step 5: Solve for x
    x = 148,668,205,232.90/422,464.48
  6. Step 6: Final answer
    x = 351,906.99

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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.