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Finding the Fourth Proportional to 444,821.33, 667,435.31 and 242,113.77

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Solution

The fourth proportional to 444,821.33, 667,435.31 and 242,113.77 is: 363,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,821.33 : 667,435.31 = 242,113.77 : x
  2. Step 2: Convert to fraction form
    444,821.33/667,435.31 = 242,113.77/x
  3. Step 3: Cross multiply
    444,821.33x = 667,435.31 × 242,113.77
  4. Step 4: Simplify right side
    444,821.33x = 161,595,279,135.22
  5. Step 5: Solve for x
    x = 161,595,279,135.22/444,821.33
  6. Step 6: Final answer
    x = 363,281.32

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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.