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Finding the Fourth Proportional to 449,996.40, 675,772.20 and 240,044.40

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Solution

The fourth proportional to 449,996.40, 675,772.20 and 240,044.40 is: 360,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,996.40 : 675,772.20 = 240,044.40 : x
  2. Step 2: Convert to fraction form
    449,996.40/675,772.20 = 240,044.40/x
  3. Step 3: Cross multiply
    449,996.40x = 675,772.20 × 240,044.40
  4. Step 4: Simplify right side
    449,996.40x = 162,215,332,285.68
  5. Step 5: Solve for x
    x = 162,215,332,285.68/449,996.40
  6. Step 6: Final answer
    x = 360,481.40

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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.