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Finding the Fourth Proportional to 403,433.57, 605,245.13 and 226,063.01

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Solution

The fourth proportional to 403,433.57, 605,245.13 and 226,063.01 is: 339,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,433.57 : 605,245.13 = 226,063.01 : x
  2. Step 2: Convert to fraction form
    403,433.57/605,245.13 = 226,063.01/x
  3. Step 3: Cross multiply
    403,433.57x = 605,245.13 × 226,063.01
  4. Step 4: Simplify right side
    403,433.57x = 136,823,531,719.10
  5. Step 5: Solve for x
    x = 136,823,531,719.10/403,433.57
  6. Step 6: Final answer
    x = 339,147.62

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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.