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Finding the Fourth Proportional to 225,473.59, 338,438.31 and 199,995.04

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Solution

The fourth proportional to 225,473.59, 338,438.31 and 199,995.04 is: 300,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,473.59 : 338,438.31 = 199,995.04 : x
  2. Step 2: Convert to fraction form
    225,473.59/338,438.31 = 199,995.04/x
  3. Step 3: Cross multiply
    225,473.59x = 338,438.31 × 199,995.04
  4. Step 4: Simplify right side
    225,473.59x = 67,685,983,345.98
  5. Step 5: Solve for x
    x = 67,685,983,345.98/225,473.59
  6. Step 6: Final answer
    x = 300,194.73

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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.