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Finding the Fourth Proportional to 422,459.49, 632,872.65 and 234,902.37

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Solution

The fourth proportional to 422,459.49, 632,872.65 and 234,902.37 is: 351,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,459.49 : 632,872.65 = 234,902.37 : x
  2. Step 2: Convert to fraction form
    422,459.49/632,872.65 = 234,902.37/x
  3. Step 3: Cross multiply
    422,459.49x = 632,872.65 × 234,902.37
  4. Step 4: Simplify right side
    422,459.49x = 148,663,285,393.18
  5. Step 5: Solve for x
    x = 148,663,285,393.18/422,459.49
  6. Step 6: Final answer
    x = 351,899.50

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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.