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Finding the Fourth Proportional to 339,229.36, 468,144.96 and 186,282.64

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Solution

The fourth proportional to 339,229.36, 468,144.96 and 186,282.64 is: 257,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,229.36 : 468,144.96 = 186,282.64 : x
  2. Step 2: Convert to fraction form
    339,229.36/468,144.96 = 186,282.64/x
  3. Step 3: Cross multiply
    339,229.36x = 468,144.96 × 186,282.64
  4. Step 4: Simplify right side
    339,229.36x = 87,207,279,051.49
  5. Step 5: Solve for x
    x = 87,207,279,051.49/339,229.36
  6. Step 6: Final answer
    x = 257,074.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.