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Finding the Fourth Proportional to 447,796.20, 671,569.56 and 148,300.11

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Solution

The fourth proportional to 447,796.20, 671,569.56 and 148,300.11 is: 222,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,796.20 : 671,569.56 = 148,300.11 : x
  2. Step 2: Convert to fraction form
    447,796.20/671,569.56 = 148,300.11/x
  3. Step 3: Cross multiply
    447,796.20x = 671,569.56 × 148,300.11
  4. Step 4: Simplify right side
    447,796.20x = 99,593,839,620.65
  5. Step 5: Solve for x
    x = 99,593,839,620.65/447,796.20
  6. Step 6: Final answer
    x = 222,408.85

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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.