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Finding the Fourth Proportional to 422,454.49, 632,865.15 and 234,897.37

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Solution

The fourth proportional to 422,454.49, 632,865.15 and 234,897.37 is: 351,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,454.49 : 632,865.15 = 234,897.37 : x
  2. Step 2: Convert to fraction form
    422,454.49/632,865.15 = 234,897.37/x
  3. Step 3: Cross multiply
    422,454.49x = 632,865.15 × 234,897.37
  4. Step 4: Simplify right side
    422,454.49x = 148,658,357,717.49
  5. Step 5: Solve for x
    x = 148,658,357,717.49/422,454.49
  6. Step 6: Final answer
    x = 351,892.01

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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.