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Finding the Fourth Proportional to 403,553.61, 605,650.10 and 226,027.53

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Solution

The fourth proportional to 403,553.61, 605,650.10 and 226,027.53 is: 339,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,553.61 : 605,650.10 = 226,027.53 : x
  2. Step 2: Convert to fraction form
    403,553.61/605,650.10 = 226,027.53/x
  3. Step 3: Cross multiply
    403,553.61x = 605,650.10 × 226,027.53
  4. Step 4: Simplify right side
    403,553.61x = 136,893,595,017.12
  5. Step 5: Solve for x
    x = 136,893,595,017.12/403,553.61
  6. Step 6: Final answer
    x = 339,220.35

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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.