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Finding the Fourth Proportional to 418,595.73, 627,834.45 and 134,249.33

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Solution

The fourth proportional to 418,595.73, 627,834.45 and 134,249.33 is: 201,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,595.73 : 627,834.45 = 134,249.33 : x
  2. Step 2: Convert to fraction form
    418,595.73/627,834.45 = 134,249.33/x
  3. Step 3: Cross multiply
    418,595.73x = 627,834.45 × 134,249.33
  4. Step 4: Simplify right side
    418,595.73x = 84,286,351,124.25
  5. Step 5: Solve for x
    x = 84,286,351,124.25/418,595.73
  6. Step 6: Final answer
    x = 201,355.02

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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.