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Finding the Fourth Proportional to 804,859.70, 1,205,907.15 and 383,227.70

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Solution

The fourth proportional to 804,859.70, 1,205,907.15 and 383,227.70 is: 574,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,859.70 : 1,205,907.15 = 383,227.70 : x
  2. Step 2: Convert to fraction form
    804,859.70/1,205,907.15 = 383,227.70/x
  3. Step 3: Cross multiply
    804,859.70x = 1,205,907.15 × 383,227.70
  4. Step 4: Simplify right side
    804,859.70x = 462,137,023,508.06
  5. Step 5: Solve for x
    x = 462,137,023,508.06/804,859.70
  6. Step 6: Final answer
    x = 574,183.33

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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.