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Finding the Fourth Proportional to 436,294.48, 654,422.68 and 136,768.23

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Solution

The fourth proportional to 436,294.48, 654,422.68 and 136,768.23 is: 205,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,294.48 : 654,422.68 = 136,768.23 : x
  2. Step 2: Convert to fraction form
    436,294.48/654,422.68 = 136,768.23/x
  3. Step 3: Cross multiply
    436,294.48x = 654,422.68 × 136,768.23
  4. Step 4: Simplify right side
    436,294.48x = 89,504,228,685.26
  5. Step 5: Solve for x
    x = 89,504,228,685.26/436,294.48
  6. Step 6: Final answer
    x = 205,146.37

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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.