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Finding the Fourth Proportional to 737,793.90, 1,018,193.49 and 451,224

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Solution

The fourth proportional to 737,793.90, 1,018,193.49 and 451,224 is: 622,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,793.90 : 1,018,193.49 = 451,224 : x
  2. Step 2: Convert to fraction form
    737,793.90/1,018,193.49 = 451,224/x
  3. Step 3: Cross multiply
    737,793.90x = 1,018,193.49 × 451,224
  4. Step 4: Simplify right side
    737,793.90x = 459,433,339,331.76
  5. Step 5: Solve for x
    x = 459,433,339,331.76/737,793.90
  6. Step 6: Final answer
    x = 622,712.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.