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Finding the Fourth Proportional to 403,554.61, 605,651.60 and 226,028.53

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Solution

The fourth proportional to 403,554.61, 605,651.60 and 226,028.53 is: 339,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,554.61 : 605,651.60 = 226,028.53 : x
  2. Step 2: Convert to fraction form
    403,554.61/605,651.60 = 226,028.53/x
  3. Step 3: Cross multiply
    403,554.61x = 605,651.60 × 226,028.53
  4. Step 4: Simplify right side
    403,554.61x = 136,894,540,840.15
  5. Step 5: Solve for x
    x = 136,894,540,840.15/403,554.61
  6. Step 6: Final answer
    x = 339,221.85

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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.