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Finding the Fourth Proportional to 322,406.67, 444,847.13 and 200,009.18

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Solution

The fourth proportional to 322,406.67, 444,847.13 and 200,009.18 is: 275,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,406.67 : 444,847.13 = 200,009.18 : x
  2. Step 2: Convert to fraction form
    322,406.67/444,847.13 = 200,009.18/x
  3. Step 3: Cross multiply
    322,406.67x = 444,847.13 × 200,009.18
  4. Step 4: Simplify right side
    322,406.67x = 88,973,506,472.37
  5. Step 5: Solve for x
    x = 88,973,506,472.37/322,406.67
  6. Step 6: Final answer
    x = 275,966.71

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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.