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Finding the Fourth Proportional to 403,552.86, 605,648.97 and 226,026.78

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Solution

The fourth proportional to 403,552.86, 605,648.97 and 226,026.78 is: 339,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,552.86 : 605,648.97 = 226,026.78 : x
  2. Step 2: Convert to fraction form
    403,552.86/605,648.97 = 226,026.78/x
  3. Step 3: Cross multiply
    403,552.86x = 605,648.97 × 226,026.78
  4. Step 4: Simplify right side
    403,552.86x = 136,892,886,499.42
  5. Step 5: Solve for x
    x = 136,892,886,499.42/403,552.86
  6. Step 6: Final answer
    x = 339,219.22

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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.