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Finding the Fourth Proportional to 302,016.80, 453,025.20 and 271,949.60

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Solution

The fourth proportional to 302,016.80, 453,025.20 and 271,949.60 is: 407,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,016.80 : 453,025.20 = 271,949.60 : x
  2. Step 2: Convert to fraction form
    302,016.80/453,025.20 = 271,949.60/x
  3. Step 3: Cross multiply
    302,016.80x = 453,025.20 × 271,949.60
  4. Step 4: Simplify right side
    302,016.80x = 123,200,021,929.92
  5. Step 5: Solve for x
    x = 123,200,021,929.92/302,016.80
  6. Step 6: Final answer
    x = 407,924.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.