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Finding the Fourth Proportional to 499,526.73, 689,410.02 and 327,589.38

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Solution

The fourth proportional to 499,526.73, 689,410.02 and 327,589.38 is: 452,114.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,526.73 : 689,410.02 = 327,589.38 : x
  2. Step 2: Convert to fraction form
    499,526.73/689,410.02 = 327,589.38/x
  3. Step 3: Cross multiply
    499,526.73x = 689,410.02 × 327,589.38
  4. Step 4: Simplify right side
    499,526.73x = 225,843,401,017.59
  5. Step 5: Solve for x
    x = 225,843,401,017.59/499,526.73
  6. Step 6: Final answer
    x = 452,114.75

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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.