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Finding the Fourth Proportional to 300,013,684.80, 449,348,680.80 and 179,081,332.80

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Solution

The fourth proportional to 300,013,684.80, 449,348,680.80 and 179,081,332.80 is: 268,220,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,013,684.80 : 449,348,680.80 = 179,081,332.80 : x
  2. Step 2: Convert to fraction form
    300,013,684.80/449,348,680.80 = 179,081,332.80/x
  3. Step 3: Cross multiply
    300,013,684.80x = 449,348,680.80 × 179,081,332.80
  4. Step 4: Simplify right side
    300,013,684.80x = 80,469,960,649,585,776
  5. Step 5: Solve for x
    x = 80,469,960,649,585,776/300,013,684.80
  6. Step 6: Final answer
    x = 268,220,967.00

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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.