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Finding the Fourth Proportional to 605,570.97, 908,543.31 and 226,530

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Solution

The fourth proportional to 605,570.97, 908,543.31 and 226,530 is: 339,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,570.97 : 908,543.31 = 226,530 : x
  2. Step 2: Convert to fraction form
    605,570.97/908,543.31 = 226,530/x
  3. Step 3: Cross multiply
    605,570.97x = 908,543.31 × 226,530
  4. Step 4: Simplify right side
    605,570.97x = 205,812,316,014.30
  5. Step 5: Solve for x
    x = 205,812,316,014.30/605,570.97
  6. Step 6: Final answer
    x = 339,864.90

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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.