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Finding the Fourth Proportional to 321,884.48, 444,282.22 and 219,951.15

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Solution

The fourth proportional to 321,884.48, 444,282.22 and 219,951.15 is: 303,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,884.48 : 444,282.22 = 219,951.15 : x
  2. Step 2: Convert to fraction form
    321,884.48/444,282.22 = 219,951.15/x
  3. Step 3: Cross multiply
    321,884.48x = 444,282.22 × 219,951.15
  4. Step 4: Simplify right side
    321,884.48x = 97,720,382,585.21
  5. Step 5: Solve for x
    x = 97,720,382,585.21/321,884.48
  6. Step 6: Final answer
    x = 303,588.36

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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.