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Finding the Fourth Proportional to 474,338.99, 654,144.19 and 377,863.59

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Solution

The fourth proportional to 474,338.99, 654,144.19 and 377,863.59 is: 521,098.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,338.99 : 654,144.19 = 377,863.59 : x
  2. Step 2: Convert to fraction form
    474,338.99/654,144.19 = 377,863.59/x
  3. Step 3: Cross multiply
    474,338.99x = 654,144.19 × 377,863.59
  4. Step 4: Simplify right side
    474,338.99x = 247,177,269,839.86
  5. Step 5: Solve for x
    x = 247,177,269,839.86/474,338.99
  6. Step 6: Final answer
    x = 521,098.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.