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Finding the Fourth Proportional to 322,966.20, 484,449.30 and 252,905.40

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Solution

The fourth proportional to 322,966.20, 484,449.30 and 252,905.40 is: 379,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,966.20 : 484,449.30 = 252,905.40 : x
  2. Step 2: Convert to fraction form
    322,966.20/484,449.30 = 252,905.40/x
  3. Step 3: Cross multiply
    322,966.20x = 484,449.30 × 252,905.40
  4. Step 4: Simplify right side
    322,966.20x = 122,519,843,996.22
  5. Step 5: Solve for x
    x = 122,519,843,996.22/322,966.20
  6. Step 6: Final answer
    x = 379,358.10

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1.5x scale

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.