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Finding the Fourth Proportional to 327,951.60, 452,743.80 and 221,083.44

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Solution

The fourth proportional to 327,951.60, 452,743.80 and 221,083.44 is: 305,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,951.60 : 452,743.80 = 221,083.44 : x
  2. Step 2: Convert to fraction form
    327,951.60/452,743.80 = 221,083.44/x
  3. Step 3: Cross multiply
    327,951.60x = 452,743.80 × 221,083.44
  4. Step 4: Simplify right side
    327,951.60x = 100,094,156,742.67
  5. Step 5: Solve for x
    x = 100,094,156,742.67/327,951.60
  6. Step 6: Final answer
    x = 305,210.15

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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.