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Finding the Fourth Proportional to 324,794.28, 447,993.72 and 211,770.12

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Solution

The fourth proportional to 324,794.28, 447,993.72 and 211,770.12 is: 292,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,794.28 : 447,993.72 = 211,770.12 : x
  2. Step 2: Convert to fraction form
    324,794.28/447,993.72 = 211,770.12/x
  3. Step 3: Cross multiply
    324,794.28x = 447,993.72 × 211,770.12
  4. Step 4: Simplify right side
    324,794.28x = 94,871,683,843.65
  5. Step 5: Solve for x
    x = 94,871,683,843.65/324,794.28
  6. Step 6: Final answer
    x = 292,097.77

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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.