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Finding the Fourth Proportional to 733,872.70, 1,100,809.05 and 680,728.60

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Solution

The fourth proportional to 733,872.70, 1,100,809.05 and 680,728.60 is: 1,021,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,872.70 : 1,100,809.05 = 680,728.60 : x
  2. Step 2: Convert to fraction form
    733,872.70/1,100,809.05 = 680,728.60/x
  3. Step 3: Cross multiply
    733,872.70x = 1,100,809.05 × 680,728.60
  4. Step 4: Simplify right side
    733,872.70x = 749,352,203,473.83
  5. Step 5: Solve for x
    x = 749,352,203,473.83/733,872.70
  6. Step 6: Final answer
    x = 1,021,092.90

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1.5x scale

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.