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Finding the Fourth Proportional to 737,893.80, 1,018,267.20 and 451,396.80

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Solution

The fourth proportional to 737,893.80, 1,018,267.20 and 451,396.80 is: 622,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,893.80 : 1,018,267.20 = 451,396.80 : x
  2. Step 2: Convert to fraction form
    737,893.80/1,018,267.20 = 451,396.80/x
  3. Step 3: Cross multiply
    737,893.80x = 1,018,267.20 × 451,396.80
  4. Step 4: Simplify right side
    737,893.80x = 459,642,555,624.96
  5. Step 5: Solve for x
    x = 459,642,555,624.96/737,893.80
  6. Step 6: Final answer
    x = 622,911.53

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1.5x scale

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.