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Finding the Fourth Proportional to 436,449.29, 654,076.74 and 329,745.56

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Solution

The fourth proportional to 436,449.29, 654,076.74 and 329,745.56 is: 494,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,449.29 : 654,076.74 = 329,745.56 : x
  2. Step 2: Convert to fraction form
    436,449.29/654,076.74 = 329,745.56/x
  3. Step 3: Cross multiply
    436,449.29x = 654,076.74 × 329,745.56
  4. Step 4: Simplify right side
    436,449.29x = 215,678,900,914.27
  5. Step 5: Solve for x
    x = 215,678,900,914.27/436,449.29
  6. Step 6: Final answer
    x = 494,167.15

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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.