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Finding the Fourth Proportional to 300,244.96, 414,273.36 and 191,390.88

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Solution

The fourth proportional to 300,244.96, 414,273.36 and 191,390.88 is: 264,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,244.96 : 414,273.36 = 191,390.88 : x
  2. Step 2: Convert to fraction form
    300,244.96/414,273.36 = 191,390.88/x
  3. Step 3: Cross multiply
    300,244.96x = 414,273.36 × 191,390.88
  4. Step 4: Simplify right side
    300,244.96x = 79,288,142,930.96
  5. Step 5: Solve for x
    x = 79,288,142,930.96/300,244.96
  6. Step 6: Final answer
    x = 264,078.18

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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.