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Finding the Fourth Proportional to 422,466.48, 632,883.15 and 234,909.36

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Solution

The fourth proportional to 422,466.48, 632,883.15 and 234,909.36 is: 351,909.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,466.48 : 632,883.15 = 234,909.36 : x
  2. Step 2: Convert to fraction form
    422,466.48/632,883.15 = 234,909.36/x
  3. Step 3: Cross multiply
    422,466.48x = 632,883.15 × 234,909.36
  4. Step 4: Simplify right side
    422,466.48x = 148,670,175,721.28
  5. Step 5: Solve for x
    x = 148,670,175,721.28/422,466.48
  6. Step 6: Final answer
    x = 351,909.99

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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.