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Finding the Fourth Proportional to 605,648.47, 908,195.85 and 226,290.97

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Solution

The fourth proportional to 605,648.47, 908,195.85 and 226,290.97 is: 339,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,648.47 : 908,195.85 = 226,290.97 : x
  2. Step 2: Convert to fraction form
    605,648.47/908,195.85 = 226,290.97/x
  3. Step 3: Cross multiply
    605,648.47x = 908,195.85 × 226,290.97
  4. Step 4: Simplify right side
    605,648.47x = 205,516,519,846.48
  5. Step 5: Solve for x
    x = 205,516,519,846.48/605,648.47
  6. Step 6: Final answer
    x = 339,333.01

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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.