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Finding the Fourth Proportional to 324,253.28, 447,435.52 and 188,260.64

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Solution

The fourth proportional to 324,253.28, 447,435.52 and 188,260.64 is: 259,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,253.28 : 447,435.52 = 188,260.64 : x
  2. Step 2: Convert to fraction form
    324,253.28/447,435.52 = 188,260.64/x
  3. Step 3: Cross multiply
    324,253.28x = 447,435.52 × 188,260.64
  4. Step 4: Simplify right side
    324,253.28x = 84,234,497,353.93
  5. Step 5: Solve for x
    x = 84,234,497,353.93/324,253.28
  6. Step 6: Final answer
    x = 259,779.94

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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.