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Finding the Fourth Proportional to 297,452.01, 410,331.60 and 189,908.97

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Solution

The fourth proportional to 297,452.01, 410,331.60 and 189,908.97 is: 261,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,452.01 : 410,331.60 = 189,908.97 : x
  2. Step 2: Convert to fraction form
    297,452.01/410,331.60 = 189,908.97/x
  3. Step 3: Cross multiply
    297,452.01x = 410,331.60 × 189,908.97
  4. Step 4: Simplify right side
    297,452.01x = 77,925,651,514.45
  5. Step 5: Solve for x
    x = 77,925,651,514.45/297,452.01
  6. Step 6: Final answer
    x = 261,977.22

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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.