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Finding the Fourth Proportional to 436,044.20, 654,087.90 and 226,092.20

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Solution

The fourth proportional to 436,044.20, 654,087.90 and 226,092.20 is: 339,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,044.20 : 654,087.90 = 226,092.20 : x
  2. Step 2: Convert to fraction form
    436,044.20/654,087.90 = 226,092.20/x
  3. Step 3: Cross multiply
    436,044.20x = 654,087.90 × 226,092.20
  4. Step 4: Simplify right side
    436,044.20x = 147,884,172,304.38
  5. Step 5: Solve for x
    x = 147,884,172,304.38/436,044.20
  6. Step 6: Final answer
    x = 339,149.50

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1.5x scale

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.