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Finding the Fourth Proportional to 613,338.55, 846,400.89 and 337,687.68

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Solution

The fourth proportional to 613,338.55, 846,400.89 and 337,687.68 is: 466,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,338.55 : 846,400.89 = 337,687.68 : x
  2. Step 2: Convert to fraction form
    613,338.55/846,400.89 = 337,687.68/x
  3. Step 3: Cross multiply
    613,338.55x = 846,400.89 × 337,687.68
  4. Step 4: Simplify right side
    613,338.55x = 285,819,157,334.37
  5. Step 5: Solve for x
    x = 285,819,157,334.37/613,338.55
  6. Step 6: Final answer
    x = 466,005.53

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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.