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Finding the Fourth Proportional to 733,832.80, 1,028,765.60 and 733,832.80

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Solution

The fourth proportional to 733,832.80, 1,028,765.60 and 733,832.80 is: 1,028,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,832.80 : 1,028,765.60 = 733,832.80 : x
  2. Step 2: Convert to fraction form
    733,832.80/1,028,765.60 = 733,832.80/x
  3. Step 3: Cross multiply
    733,832.80x = 1,028,765.60 × 733,832.80
  4. Step 4: Simplify right side
    733,832.80x = 754,941,940,791.68
  5. Step 5: Solve for x
    x = 754,941,940,791.68/733,832.80
  6. Step 6: Final answer
    x = 1,028,765.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.