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Finding the Fourth Proportional to 447,735.62, 671,603.43 and 148,135.94

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Solution

The fourth proportional to 447,735.62, 671,603.43 and 148,135.94 is: 222,203.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,735.62 : 671,603.43 = 148,135.94 : x
  2. Step 2: Convert to fraction form
    447,735.62/671,603.43 = 148,135.94/x
  3. Step 3: Cross multiply
    447,735.62x = 671,603.43 × 148,135.94
  4. Step 4: Simplify right side
    447,735.62x = 99,488,605,410.27
  5. Step 5: Solve for x
    x = 99,488,605,410.27/447,735.62
  6. Step 6: Final answer
    x = 222,203.91

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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.