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Finding the Fourth Proportional to 737,411.54, 1,017,704.13 and 451,121.90

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Solution

The fourth proportional to 737,411.54, 1,017,704.13 and 451,121.90 is: 622,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,411.54 : 1,017,704.13 = 451,121.90 : x
  2. Step 2: Convert to fraction form
    737,411.54/1,017,704.13 = 451,121.90/x
  3. Step 3: Cross multiply
    737,411.54x = 1,017,704.13 × 451,121.90
  4. Step 4: Simplify right side
    737,411.54x = 459,108,620,763.45
  5. Step 5: Solve for x
    x = 459,108,620,763.45/737,411.54
  6. Step 6: Final answer
    x = 622,594.84

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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.