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Finding the Fourth Proportional to 225,443.35, 338,392.92 and 199,964.77

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Solution

The fourth proportional to 225,443.35, 338,392.92 and 199,964.77 is: 300,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,443.35 : 338,392.92 = 199,964.77 : x
  2. Step 2: Convert to fraction form
    225,443.35/338,392.92 = 199,964.77/x
  3. Step 3: Cross multiply
    225,443.35x = 338,392.92 × 199,964.77
  4. Step 4: Simplify right side
    225,443.35x = 67,666,662,321.31
  5. Step 5: Solve for x
    x = 67,666,662,321.31/225,443.35
  6. Step 6: Final answer
    x = 300,149.29

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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.