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Finding the Fourth Proportional to 403,446.69, 605,264.81 and 226,076.13

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Solution

The fourth proportional to 403,446.69, 605,264.81 and 226,076.13 is: 339,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,446.69 : 605,264.81 = 226,076.13 : x
  2. Step 2: Convert to fraction form
    403,446.69/605,264.81 = 226,076.13/x
  3. Step 3: Cross multiply
    403,446.69x = 605,264.81 × 226,076.13
  4. Step 4: Simplify right side
    403,446.69x = 136,835,924,739.61
  5. Step 5: Solve for x
    x = 136,835,924,739.61/403,446.69
  6. Step 6: Final answer
    x = 339,167.30

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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.