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Finding the Fourth Proportional to 733,872.20, 1,100,808.30 and 680,728.10

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Solution

The fourth proportional to 733,872.20, 1,100,808.30 and 680,728.10 is: 1,021,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,872.20 : 1,100,808.30 = 680,728.10 : x
  2. Step 2: Convert to fraction form
    733,872.20/1,100,808.30 = 680,728.10/x
  3. Step 3: Cross multiply
    733,872.20x = 1,100,808.30 × 680,728.10
  4. Step 4: Simplify right side
    733,872.20x = 749,351,142,523.23
  5. Step 5: Solve for x
    x = 749,351,142,523.23/733,872.20
  6. Step 6: Final answer
    x = 1,021,092.15

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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.