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Finding the Fourth Proportional to 323,993.69, 486,207.45 and 134,454.24

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Solution

The fourth proportional to 323,993.69, 486,207.45 and 134,454.24 is: 201,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,993.69 : 486,207.45 = 134,454.24 : x
  2. Step 2: Convert to fraction form
    323,993.69/486,207.45 = 134,454.24/x
  3. Step 3: Cross multiply
    323,993.69x = 486,207.45 × 134,454.24
  4. Step 4: Simplify right side
    323,993.69x = 65,372,653,172.09
  5. Step 5: Solve for x
    x = 65,372,653,172.09/323,993.69
  6. Step 6: Final answer
    x = 201,771.38

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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.