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Finding the Fourth Proportional to 403,593.37, 605,464.59 and 166,954.50

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Solution

The fourth proportional to 403,593.37, 605,464.59 and 166,954.50 is: 250,462.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,593.37 : 605,464.59 = 166,954.50 : x
  2. Step 2: Convert to fraction form
    403,593.37/605,464.59 = 166,954.50/x
  3. Step 3: Cross multiply
    403,593.37x = 605,464.59 × 166,954.50
  4. Step 4: Simplify right side
    403,593.37x = 101,085,038,517.23
  5. Step 5: Solve for x
    x = 101,085,038,517.23/403,593.37
  6. Step 6: Final answer
    x = 250,462.59

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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.